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  • Offer Profile
  • The gentle treatment of the melt is crucial for an optimum polymer production process. Our pumps contribute significantly to the productivity, efficiency and operational reliability of both low-viscosity and high-viscosity applications. Our special systems efficiently and cost-effectively meet the specific demands of masterbatch and color batch concentrate manufacturers. To allow optimum compounding results to be achieved, our system components fit perfectly together. The results are impressive – whether spherical or cylindrical pellets, micropellets or powders. Our pelletizers allow reusable wastes such as sprues from injection molding, film trimming wastes, flakes from shredded PET bottles or battery housings, etc. to be recycled.
Product Portfolio
  • Pumps and filters for polymer production

  • For over 100 years, MAAG has developed and manufactured pumps at its headquarters in Switzerland. MAAG prides itself on its core competence — developing and producing gear pumps for polymers, chemicals, and lubricants, and filter systems for the production and processing of plastics.

    Today, MAAG is one of the world’s leading manufacturers of elastomer extrusion pumps, thermoplastics, extrusion pumps, industrial pumps, chemical pumps, and melt pumps for the production of polymers. Many years of process experience and a deep understanding of the processes involved in polymer production and processing enable gear pumps of all types to be optimally adapted to individual customer requirements. Technical know-how and the ability to respond to specific customer requirements enable the best possible efficiency to be achieved for the respective industrial process. The maximum service life of MAAG pumps and melt pumps and minimum downtimes are a great guarantee for the successful operation of industrial plants.

      • Gear pumps for the extrusion of polymers and thermoplastics

      • Gear pumps transport a wide variety of media in industrial production processes in general, in the chemical industry as well as in the pharmaceutical and food industries. The matching gear pumps and pump systems can be found in MAAG’s wide range of products by plant manufacturers and producers and processors of plastics.
          • Thermoplast Extrusion Pumps

              • extrex⁶ Y-Adaptor

              • The extrex⁶ Y-Adaptor unites two extrex x⁶ class gear pumps to ensure optimum efficiency and cost-effectiveness in extrusion systems. The extrex⁶ Y-Adaptor can be used with an extruder to feed two different die packs with a separate, constant melt stream each. Separate discharges from the individual gear wheel pairs are guaranteed thanks to the design and can be adjusted by changing the speed of the individually controlled drives. The extrex x⁶ class gear pump portfolio allows customers to choose between different thrust pieces to suit their application.

                Benefits
                • Simplified system design for manufacturing multi-layered films with a variable layer structure
                • Improved discharge consistency when multiple nozzle heads are used in profile systems
                • Wider, more flexible range of applications
                • Short dwell times
                • Compact design
                • Excellent self-cleaning properties
              • extrex® PFS – 20GP

              • The extrex® PFS gear pumps are specially designed for applications in the pharmaceutical industries. Such applications require specific design characteristics: high discharge pressure capability, constant throughput, gentle conveying, and narrow temperature ranges. In such an environment, the proven extrex® gear pumps unfold their full potential.

                Benefits
                • Very good self-cleaning properties
                • Precise metered flow of product ensures consistent pellet size and quality
                • Screw pressure pulsations are eliminated or minimized even at high differential pressures
                • Efficient increase in discharge pressure while relieving extruder of build-up pressures
                • Lower specific energy for the overall system
                • Improved quality of the finished product due to lower overall melt temperature
                • Essential for the production of micro-pellets
                • Compatible with all extruders and reactor vessels
              • extrex⁶ MP

              • MAAG gear pumps guarantee constant conveying in extrusion lines and thus highest product quality. With its robust construction, the new extrex®-x6 MP high-pressure gear pump enables operation in pressure ranges up to 700 bar which is the upper limit for conventional gear pumps. The advanced extrex®-x6 MP completes MAAG’s product range of the gear pumps and prepossesses the ever-increasing demand for high pressure pumps for application in extrusion lines with the usual qualitity.

                Benefits
                • Operation in the high-pressure range up to 700 bar
                • High overall level of efficiency due to cutting-edge gear and slide bearing technology
                • Flexible use due to simple retro-fitting
                • Robust and compact construction
                • Low-pulsation conveying even at high-pressure differentials
              • extrex6 EX

              • Thermoplastic processing requires positive displacement devices that gently convey any kind of thermoplastic grades from high to low viscosity through the system. Specifically designed, low compression tooth design allow the extrex®-x6 class transfer, booster or metering gear pump to achieve both high pressure and low shear.

                Benefits

                Product Quality6
                • Streamlined Linearity Elimination of incoming pulsations to maximize your product uniformity
                • Protected Polymer Minimized back-flow volume to speed up your polymer change

                Production Capability6
                • Endurance Shaft Improved load capability to raise your differential pressure
                • Peak Rate Superior flow capacity to boost your productivity

                Process Reliability6
                • Balanced Bearings
                • Unique self-centering shafts To maximize your process stability
              • extrex⁶ ER

              • Elastomeric processing requires positive displacement devices that gentle convey high viscosity rubber through the system. Specifically designed, low compression tooth design allow the extrex⁶ ER transfer, booster or metering gear pump to achieve both high pressure and low shear. The rubber compound is conveyed with a constant, precise flow even at high discharge pressures – and this also for extremely dry or sticky compounds, where former pump generations reached their limits due to scorch. Additionally, their anyway high effi ciency and long life span will extend unrivaled due to reduced internal friction.

                Benefits
                • Proven gear pump from the program of the extrex® series
                • Mobile racks
                • Transmission and engine
                • Temperature units and rotary inlets
                • Complete electrical systems for operating and monitoring
                • Pressure and temperature measurement, sensors and electronic evaluator
                • Adapter flanges and locking devices
              • extrex® RV/RB

              • When it comes to manufacturing profiles and dealing with strainers, high requirements are placed on pumping consistency and extrusion lines. The new extrusion gear pump series extrex® RV/RB from MAAG raises the performance of gear pumps for elastomer extrusion and rubber extrusion to new levels in terms of both economy and polymer processing technology. Product quality is guaranteed by a stable discharge, the lowest tolerance deviations, and achieving process stability in quick time.

                Benefits
                • Low pulsation pumping even at high differential pressures
                • Highly efficient self-cleaning properties
                • Optimized flow channels
                • No relevant temperature increase
                • Low pulsation pumping even at high differential pressures
                • Gentle pressure increases
                • Leak-free operation depending on compound sensitivity possible
            • Polymer Production Pumps

                • polyrex6 PR

                • Processes in the manufacture of polyolefins require high-pressure gear pumps which build up pressure for the units after the compounder. The new performance driven geometry of polyrex® x6 class results in high throughput rates at high flow rates and low shear stress. Polyrex6 can convey low viscosity polymers where earlier pump generations failed. Thanks to increased pump performance, the specific conveying capacity is 50% higher compared to same housing size pumps of older generations. For debottlenecking existing plants, Maag offers alternative housing designs with matching interfaces to older pump generations.

                  Benefits

                  Volumetric Efficiency6
                  • Instant Flexibility Reduced back-flow to offer you the choice between higher differential pressure or boosted throughput rate
                  • Flow Economy Reduced back-flow to lower your energy consumption

                  Power Density6
                  • Compacted Power Performance driven geometry to reduce your total cost of ownership

                  Process Reliability6
                  • Smart Flow Fast lubrication replacement to improve your process stability
                • thermorex® TR/TB/TP

                • Polymer processes require pumps which well gently feed low and high viscosity plastic melt through the system. Thanks to specially designed gear teeth with low squeezing power, the maag pump systems thermorex® transfer, booster or metering gear pump is the ideal solution for such applications. The high efficiency and long service life will enhance the capacity of your production plant. thermorex® gear pumps convey plastic melts with a constant, precise flow even at highest discharge pressures.

                  Benefits
                  • High overall efficiency, minimized friction thanks to pioneering gear and bearing technology
                  • Optimized flow channels
                  • Completely heated
                  • Low pulsation pumping even at high differential pressures
                  • Gentle treatment of polymer melts thanks to special gear teeth with low squeezing power
                  • Excellent fill behaviour due to optimized inlet geometries
                  • Compact design
                • thermorex®TRO/TRP

                • Polymer processes require pumps which will constantly and reliably feed oligomers and prepolymers through the system. The pump design is highly suitable for low-viscosity applications. The thermorex® RT eliminates the need for pressurized vessels/reactors. The high efficiency and long service life will enhance your production plant’s capacity.

                  Benefits
                  • High overall efficiency, minimized friction thanks to pioneering gear and bearing technology
                  • Excellent fill behaviour due to optimized inlet geometries
                  • Optimized flow channels
                  • Low pulsation pumping even at high differential pressures
                  • Completely heated
                  • Compact design
                • vacorex6 VX

                • Maag introduces the vacorex® - x6 class gear pump. vacorex6 fulfills ideally modern polymer production processes which require pumps that can discharge at high pressure despite very low fill level and high vacuum conditions in the reactor/devolatilization vessel. maag vacorex6 process a wide range of different polymer grades without affecting their quality. Reliable, requiring little maintenance and robust enough to withstand the rigors of years of operation is vacorex6 gear pump the ideal solution for such applications.

                  Benefits

                  Product Quality6
                  • Protected Polymer Limited heat exposure to minimize degradation of your polymer

                  Production Capability6
                  • XXL Inlet Effective inlet geometry to maximize your feed capability
                  • XXL Feed Section Minimized polymer volume above pump to reduce your volatile content downstream

                  Power Density6
                  • Small Footprint Minimized Footprint to reduce your total cost of ownership
                  • Thermal Mastery Efficient temperature management to enhance your process security
                • viscorex® VR

                • Polymer processes require units that gently discharge low and high-viscosity plastic melts from reactors and degassing equipment. Thanks to excellent fill behaviour and short residence times, the maag pump systems viscorex® gear pump is the ideal solution for such applications. Its high efficiency and long service life will enhance the capacity and availability of your production line. viscorex® gear pumps effi ciently convey plastic melts with a constant, precise flow.

                  Benefits
                  • Gentle treatment of polymer melts thanks to special gear teeth with low squeezing power
                  • Excellent fill behaviour due to optimized inlet geometries
                  • Optimized fl ow channels
                  • High overall effi ciency and hence minimized friction thanks to pioneering gear and bearing technology
                  • Low pulsation pumping even at high differential pressures
                  • Compact design
              • Chemical and Industrial Pumps

                  • hydrolub® - Grey cast iron gear pump for industrial processes

                  • Continuously operated equipment calls for reliable components. Whether in lubrication oil applications or in processing plants, a pump is required to work inconspicuously yet reliably. Precisely the environment in which maag pump systems’ tried and established gear pumps develop their full potential. Thanks to the extensive range of components and materials of construction to choose from, maag gear pumps can be configured to suit customers’ specific requirements and are therefore far superior to standard pumps in terms of performance and reliability.

                    Benefits
                    • Precise displacement volume
                    • Wide viscosity, temperature, and pressure range
                    • Self-priming
                    • Reliability and longevity
                    • High efficiencies (due to tolerances and small clearances being modified in line with applications)
                    • Low pulsations for oil applications (helical gears)
                    • Safety
                  • Cinox® therminox® - Corrosion-resistant gear pumps for chemical processes

                  • Cinox® therminox® gear pumps are corrosionresistant and heatable stainless steel conveying units that satisfy the stringent quality requirements of today's chemical processing industry. Thanks to the extensive range of components and materials of construction to choose from, maag gear pumps can be configured to suit customers’ specific requirements and are therefore far superior to standard pumps in terms of performance and reliability. Whether the applications involve highly pure, corrosive, viscous or very hot media, maag pump systems holds the solution to meet every pumping challenge.

                    Benefits
                    • Wide viscosity, temperature and pressure range
                    • Precise displacement volume
                    • Self-priming
                    • Corrosion-resistance
                    • High effi ciencies due to tolerances being modifi ed in line with applications
                    • Reliability and longevity
                    • Safety
                  • cinox®-V therminox®-V - Stainless steel discharge pump for industrial processes

                  • The pump models cinox®-V therminox®-V are discharge pumps. They have been designed for highly viscous fluids, which are gently extracted from reactors and de-gassing devices even when the inlet pressure is low, ensuring optimum fill characteristics and short dwell times. This new pump series combines the outstanding flow characteristics of the polymer pumps with the exacting requirements of the chemical industry.

                    Benefits
                    • Optimum fill characteristics due to enlarged inlet and optimum inlet geometry
                    • Low pulsation
                    • Reliability
                    • High efficiencies thanks to application-specific clearances
                    • Longevity
                    • Safety
                  • refinex® refitherm® - Heatable gear pumps for industrial processes

                  • Chemical, refinery, and industrial plant applications are challenging. High process pressures, high temperatures, and viscous media are commonplace in such environments. Precisely the environment in which maag pump systems’ tried and established gear pumps develop their full potential. Thanks to the extensive range of components and materials of constructions to choose from, maag gear pumps can be configured to suit customers’ specific requirements and are therefore far superior to standard pumps in terms of performance and reliability.

                    Benefits
                    • High efficiencies (due to tolerances and small clearances being modified in line with applications)
                    • Wide viscosity, temperature, and pressure range
                    • Precise displacement volume
                    • Self-priming
                    • Reliability and longevity
                  • flexinox™

                  • MAAG flexinox™ pumps are corrosion-resistant conveying units; they satisfy the stringent quality requirements of today’s chemical processing industry and their three-piece configuration facilitates maintenance and replacement of internal parts, such as gears and bearings. They can be heated either electrically or with fluid. Thanks to the extensive range of components and materials available, MAAG gear pumps can be configured to suit customers specific requirements and therefore, are far superior to standard pumps in terms of performance and reliability.

                    Certificates
                    • Wide viscosity, temperature and pressure range
                    • High efficiencies due to tolerances being modified in line with applications
                    • Precise displacement volume
                    • Self-priming
                    • Corrosion-resistance
                    • Reliability and longevity
                    • Safety
                    • Easy replacement of internal parts
                  • dosix™

                  • MAAG dosing gear pumps are corrosion resistant and electrically heatable conveying units, especially designated for the small tthroughputs; their three-piece configuration facilitates maintenance and replacement of internal parts, such as gears and bearings. Thanks to the wide range of components and materials available, dosix™ pumps can be configured to suit customers specific requirements and therefore, are far superior to standard pumps in terms of performance and reliability.

                    Certificates
                    • ATEX certificate
                    • 3.1 certificate
                    • Performance test certificates
                • Elastomer Extrusion Pumps

                      • extrex® RV/RB - High performance gear pump for rubber extruder

                      • When it comes to manufacturing profiles and dealing with Strainers, high requirements are placed on pumping consistency and extrusion lines. The new gear pump series extrex® RV/RB from maag pump systems raises the performance of gear pumps for elastomer Extrusion to new levels in terms of both economy and processing technology. Product quality is guaranteed by a stable discharge, the lowest tolerance deviations and achieving process stability in quick time.

                        Benefits
                        • Low pulsation pumping even at high differential pressures
                        • Highly efficient self-cleaning properties
                        • Optimized flow channels
                        • No relevant temperature increase
                        • Low pulsation pumping even at high differential pressures
                        • Gentle pressure increases
                        • Leak-free operation depending on compound sensitivity possible
                  • Filtration systems and screen changers for industrial applications

                  • For over 100 years, MAAG has developed and manufactured pumps at its headquarters in Switzerland. MAAG prides itself on its core competence — developing and producing gear pumps for polymers, chemicals, and lubricants, and filter systems for the production and processing of plastics.

                    Today, MAAG is one of the world’s leading manufacturers of elastomer extrusion pumps, thermoplastics, extrusion pumps, industrial pumps, chemical pumps, and melt pumps for the production of polymers. Many years of process experience and a deep understanding of the processes involved in polymer production and processing enable gear pumps of all types to be optimally adapted to individual customer requirements. Technical know-how and the ability to respond to specific customer requirements enable the best possible efficiency to be achieved for the respective industrial process. The maximum service life of MAAG pumps and melt pumps and minimum downtimes are a great guarantee for the successful operation of industrial plants.

                      • Screenchanger

                          • CSC Continuous screen changers and double pistion screenchangers for filtration systems 

                          • The continuous single-piston screen changer from Maag is based on the proven piston design with two screen cavities that operates without any mechanical seals. It sturdy construction, available in all sizes and designs, guarantees reliable and leak-free filtration of polymer melts for many years. An uninterrupted melt stream and an efficient degassing of the screen cavities allow continuous operation without any production interruptions. This screen changer is characterized by highest filtration quality with maximum system availability.

                            Benefits
                            • Continuous plant operation during screen change
                            • Simple operation and uncomplicated screen changing
                            • High operational reliability
                            • Short material residence time
                            • Leak-free mode of operation
                            • Low pressure consumption
                            • Flow channel geometry without any dead spots
                          • DSC Screen changer for demanding extrusion processes

                          • The discontinuously operating screen changer, equipped with a screen cavity, offers a robust and economic alternative for extrusion and compounding applications which permit a brief interruption in the melt flow when changing the screen. Thus, it is also ideal for batch applications during which an application- related shut-down of the unit permits a screen change after a batch is complete.

                            Benefits
                            • Simple operation and uncomplicated screen changing
                            • High operational reliability
                            • Short material residence time
                            • Leak-free mode of operation
                            • Low pressure consumption
                            • Flow channel geometry without any dead spots
                          • SSC Compact screen changer for reliable melt filtration

                          • The compact single-piston screen changers SSC from maag pump systems provide an alternative for extrusion applications which allow for interruptions in the melt stream during screen changeover. SSC operate without any additional seal and their sturdy construction guarantees reliable and leak-free filtration of polymer melts. The rheologically optimized flow channel directs the melt flow optimally and with a short residence time into the screen cavity. The breaker plate is fitted with screen mesh suitable for the required filtration size. The screen changer is operated by a hydraulic piston.

                            Benefits
                            • Simple operation and uncomplicated screen changing
                            • High operational reliability
                            • Short material residence time
                            • Leak-free mode of operation
                            • Low pressure consumption
                            • Flow channel geometry without any dead spots
                          • FSC Plate screen changer for extrusion processes

                          • FSC screen changers from Maag are equipped with a pressure-adaptive sealing system as a standard. Thanks to this sealing system, the required sealing forces are adjusted to the actual melt pressure automatically. The narrow design is especially suited for being used in applications with thermally sensitive materials. Their solid and robust construction, available in all sizes and designs, ensures a reliable and leak-free filtration of molten polymers for many years. The hydraulically operated screen changer reliably guarantees the protection of melt pumps and mold gaps from damage and dirt.

                            Benefits
                            • Simple operation and uncomplicated screen changing
                            • High operational reliability
                            • Short material residence time
                            • Leak-free mode of operation
                            • Low pressure consumption
                            • Flow channel geometry without any dead spots
                            • Short residence time
                          • HSC Manual screen changer for extrusion processes

                          • Manual screen changers from maag have been the first choice of cost-effective filtration systems in extrusion lines for many years. Starting at size 45, the manual screen changers optionally come with transmission gearing. Here, the breaker plate is equipped with patented gearing and a pinion which allows an effortless screen change even in restricted space conditions or high sealing pressures. The manual screen changer guarantees the protection of gear pumps and fine extrusion die gaps from damage and dirt accumulation.

                            Benefits
                            • Simple operation with quick screen change
                            • High operational reliability
                            • Short material residence time
                            • Leak-free mode of operation
                            • Low pressure consumption
                            • Flow channel geometry without any dead spots
                          • FSC- OEM

                          • The flow optimized new version of MAAG´s FSC hydraulic and manual screen changers assist operators of plastic extrusion lines in achieving a reduced equipment footprint, reduced residence time and improved residence time distribution. The ultra compact design is maintenance friendly, and provides precise flow even at high discharge pressures. The ultra short flow channels reduce pressure drop, promote a more uniform product temperature, allowing this generation of screen changer to perform where others have reached their limits.

                            Benefits
                            • Reduction in pressure loss, residence time and residence time distribution due to shorter, flow optimized channels
                            • Increased production rate, product quality, energy efficiency and equipment life span
                            • Elimination of pressure fl uctuations allowing a significant reduction in rate of material consumption
                            • Maintenace friendly due to easy access to the sealing package
                        • Large Area Filtration

                            • CSC-R

                            • MAAG’s CSC-R large scale screen changer with curved screens is designed for the use of one-way filter screens which do not require cleaning after the simple and safe screen change. The screen bearing pistons belong to MAAG’s modular filter system and its patented design use 75% of the piston surface as active filtration area. Also this filter execution can be installed for vertical or horizontal melt flow directly at the reactor discharge melt pump or pelletizer booster melt pump to avoid additional piping for reduction of melt residence time.
                            •  CSC-C

                            • MAAG’s CSC-C large scale screen changer with candle filter elements is the right choice if short melt residence time, small footprint and a simplified candle change are required. Depending on the polymer type, melt viscosity, reactor throughput, and filter fineness, the screen changer size and number of pistons are customized to the application. The patented design allows the use of pleated micronex® candle filter elements with fiber metal felt (FMF) media, or cylindrical Multinex candles filter elements with interchangeable filter sleeves.
                            • duplex Continuous large area polymer filtration systems

                            • Maag’s duplex polymer filtration system was designed with considerable input from our customers. The result is a patented system that offers process benefits such as minimized residence time and improved heat transfer efficiency. By combining our modeling and technical Expertise of our patented slide valve design with a PLC controlled actuation, maag’s duplex filter systems can be designed to minimize viscosity losses during switchovers and provide seamless transfers.

                              Benefits
                              • Reliable sealing
                              • Improved venting
                              • Better draining
                              • Simplified vessel changeout
                              • Improved accessibility
                              • Safer operation
                            • micronex Filter elements for large-area polymer filtration systems

                            • Maag offers high quality filter elements designed for long term use and multiple cleanings. Maag can provide standard designs or build to your requirements.

                              Benefits
                              • Filter elements designed for individual processes
                              • Optimized polymer flow
                              • Maximized filter area
                              • Lowest possible pressure loss
                              • Designed to retain hard and deformable particles
                            • multinex Filter candles for large area screen changers

                            • Maag multinex filter candles are tailor-made for use in continuously operating dual bolt screen changers of the maag series CSC-P/C. Compared to typical round screen plates, they increase the active screening area up to 60 times, thus reducing significantly ΔP and the flux rate. At the same time, an up to 60 times longer service life of the filter until the next screen change is achieved.

                              Benefits
                              • Optimized for high viscosities
                              • Reusable candle bodies
                              • Economic perforated sleeve exchange
                              • Screen mesh or metal fiber fleeze
                              • Filter fineness 0.5-500 micron
                            • simplex Discontinuous large area filtration systems

                            • Maag designed simplex systems can be provided with either fixed or removable vessels; a compact preheat station with spare vessel can be provided for locating near the line for quick changeout. They are custom designed to minimize initial pressure drop and maximize filter element life. Our proprietary sizing program, based on more than 20 years of experience in the field, incorporates your operating data to size each system for maximum performance and optimized flow while maintaining compact dimensions.

                              Benefits
                              • Lower cost
                              • Easier operation
                              • No diverter valves
                              • Less space requirements
                              • Minimized pressure drop
                              • Horizontal or vertical design
                          • Accessories for pumps and filtration systems

                          • For maximum productivity and top product quality in polymer production and processing, MAAG pump systems and filtration systems are complemented by an extensive range of additional equipment. All accessories are specially developed for the various gear pumps and filter solutions, and are matched to the MAAG products and systems.
                              • blendrex®

                              • Maag specializes in the design and application of blendrex® heat exchangers used to preheat polystyrene melt prior to devolatilization and to cool polyester prior to spinning or pelletizing. blendrex® heat exchangers are problem solvers for many types of difficult heating and cooling applications.

                                Benefits
                              • Double Mechanical Seal

                              • The Double Mechanical Seal is a MAAG brand for industrial application and chemical pumps. It has a robust design with buffer fluid. Therefore, it is suitable for corrosive and abrasive applications. The sealing rings are available in carbon and SSiC (sintered silicon carbide ceramic) for chemical transfer pumps.
                                 
                              • Double Mechanical Seal – balanced

                              • The double mechanical seal with balanced sealing ring can be used for high inlet pressures. It needs to be used in combination with balanced shaft (double extended shaft, two seals) for chemical transfer pumps, chemical pumps, and other industrial applications.
                              • maax® 3S

                              • The automation system maax® 3S simplifies the operation, control, regulation, and monitoring of the operating parameters. Production data are displayed transparently and operation is simple and intuitive. Process and production safety of the line are increased. The maax® 3S automation system is particularly suitable for the retrofitting of gear pumps or screen changers in extrusion lines.

                                Benefits
                                • Simple and clear operation of the start-up and shutdown routines
                                • Modular expansion to include screen changer controllers
                                • Quick and precise control of the extruder or pump speeds
                                • Independent start-up and production control of the pump speed
                                • Integrated temperature control of the line components
                                • Fast troubleshooting thanks to plain text messages
                              • maax® BF - Automation solution for backflush screen changer

                              • Maax® BF is Maag’s well-proven control system for the fully automatic backflush Screen changers. It allows the processor of highly contaminated polymer melts a simple handling of the backflush screen changer and a fully automatic screen cleaning and manifold use of the screens. The automation system is particularly well suited for retrofitting extrusion lines with screen changers with backflush function. Operation, control, and Regulation as well as monitoring of operating parameters are simplified. Process and operation reliability of the entire system are increased.

                                Benefits
                                • Simple and clear operation of filter and system functions
                                • Increased productivity through storage of recipes in parameter lists
                                • Integrated temperature control of the system components
                                • Rapid error detection via clear text messages
                                • Scalable visualization of different operation parameters in a trend display
                                • Increased productivity
                              • maax® 100S/400S/600S - Automation solution

                              • It simplifies operation, control and adjustment of the operating parameters. This guarantees optimum protection and operation of the gear pump and screen changer. Process and operational reliability of the entire system is increased. The maax® 100S automation system is the ideal solution for integrating melt pumps and screen changers. maax® 400S is for upgrading coextrusion lines. The maax® 600S automation system is the ideal solution for equipping complete and complex extrusion and compounding plants.

                                Benefits
                                • Simple and clear operation of the line-start and stop procedures
                                • Increased productivity, by saving recipies in parameter lists
                                • Rapid and precise control of extruder and pump speed, depending on application
                                • Integrated temperature control of system components
                                • Quick error detection by plain text messages
                                • Scalable visualisation of various operating parameters in a trend display
                                • Additional for maax® 100S/400S/600S: configurable System and Software configuration
                              • Magnetic coupling for chemical and industrial processes

                              • Magnetic drives are hermetically sealed thereby guaranteeing that environmentally hazardous, poisonous, and malodorous substances are pumped safely. The product chamber in the gear pump is completely separated from the environment by a containment shell. The torque is transferred from motor shaft to pump shaft without contact by means of heavy-duty permanent magnets. This design makes the magnetic couplings extremely safe and virtually maintenance-free.

                                Benefits
                                • High suction pressures (standard to 25 bar, in special designs up to 200 bar)
                                • Virtually maintenance-free
                                • Optimized safety and leak sealing
                                • Hermetically-sealed design
                                • Long service life
                                • Low maintenance costs

                              • Lip Seals

                              • The lip seals can be used for either negative or positive suction pressures in polymer gear pump systems, depending on the mounting direction. These components are mainly used for lube oil applications or polymer applications. Furthermore, the model with ball bearing support for directly coupling the drive shaft with the gear shaft. The advantage of the lip seals is their price and easy interchangeability.
                              • Magnetic Coupling

                              • MAAG offers Magnetic Couplings with our double containment shell for chemical pumps. The magnetic couplings provide a hermetically sealed design for chemical transfer pumps and is virtually maintenance free. The couplings come in special designs for industrial applications with suction pressures up to 200 bar.
                                 
                              • Packing Glands

                              • Packing glands in various executions for polymer gear pumps and chemical pumps. Without adaptions to modern sealing technology, these components are no longer widely used. Packing glands are available in a buffered model for polymer applications.

                                Benefits
                                • For corrosive fluids: Suitable
                                • For abrasive fluids: Partly suitable
                                • TA-Luft certified: No
                              • Single Mechanical Seal

                              • This seal on the chemical transfer pump is applicable for high temperatures. A different material combination is available for aggressive and corrosive media. The sealing ring in SSiC can be used for abrasive fluids in industrial applications.

                                Benefits
                                • For corrosive fluids: Good fit
                                • For abrasive fluids: Good fit (with SSiC)
                                • TA-Luft certified: No
                              • Single Mechanical Seal – balanced

                              • The single mechanical seal with balanced sealing ring can be used for high inlet pressures and needs to be used in combination with a balanced shaft (double extended shaft, two seals) for chemical pumps, chemical transfer pumps and industrial applications.

                                Benefits
                                • For corrosive fluids: Good fit
                                • For abrasive fluids: Not suitable
                                • TA-Luft certified: No

                              • viscoseal

                              • The viscoseals are available for highly viscous fluids which are used for extrusion gear pump systems. The seal is contactless and dynamic. It has a simple design and has only one sealing part. A cooled model is available for the polymer extrusion industry is available and it is virtually maintenance free.

                                Benefits
                                • For corrosive fluids: Suitable
                                • For abrasive fluids: Good fit
                                • TA-Luft certified: No

                              • vislip®-sealing

                              • The viscoseal is combined with two buffered lip seals for polymer applications, polymer gear pumps, and polymer pump systems. It provides dynamic sealing during operation and the buffered lip seals provide static sealing at standstill.

                                Benefits
                                • For corrosive fluids: Suitable
                                • For abrasive fluids: Good fit
                                • TA-Luft certified: Yes
                              • vispac®

                              • High reliability and functionality are crucial for a seal in the polymer discharging process for guaranteeing optimized product quality and line availability. The vispac® shaft seal is known for its robustness, reliability and especially for its easy handling. This low-maintenance seal is a proven combination of the viscoseal system and sealed stuffing boxes.

                                Benefits
                                • Extremely large range of applications
                                • Reliability and safety
                                • Low wear and low maintenance
                                • Combination of the viscoseal and stuffing boxes, guaranteed tightness in both operation and downtime
                                • Simple and reliable adjustment of the seal control pressure