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Bieri Hydraulik
  • Offer Profile
  • Bieri Hydraulik AG stands for quality, innovation and reliability. And that is up to 1000 bar.

    You will find Bieri standard components and special solutions wherever hydraulics are used in industry: mechanical engineering, oil, shipbuilding, medical technology, power stations, mining, defense, public transport, paper, food, and construction. And in many other areas. Worldwide.
Product Portfolio
  • Pumps

    • Axial piston pumps AKP

    • 3- and 5-piston version
      Suction and pressure side valve controlled
      High volumetric efficiency
      Compact design

      Operating pressure: up to 500 bar
      Displacement: 0,1 cm³ or 0,3 cm³/rev.
      Speed range: 100 – 5'000 rpm
    • Radial piston pumps BRK

    • 3-, 5- and 7-piston versions
      Self priming, self venting
      Valve controlled
      High volumetric efficiency

      Operating pressure: up to 1'000 bar
      Displacement: 0,47– 6,33 cm³/rev.
      Speed range: 500 – 2'000 rpm
    • Radial piston pumps HRK

    • Compact design
      Direct installation of motor, no coupling,
      no bellhousing
      Version with hollow eccentric shaft,
      with or without pressure relief valve

      Operating pressure: up to 700 bar
      Displacement: 0,12– 0,34 cm³/rev.
      Speed range: 500 – 3'600 rpm
    • Radial piston pumps SRK-ATEX

    • 3-, 5- and 7-piston versions
      Self priming, self venting
      Suitable for use in explosive environments
      Class II: gases, vapours, mists

      Operating pressure: up to 700 bar
      Displacement: 0,47– 6,33 cm³/rev.
      Max. speed: 1'800 rpm
    • Combination pumps BKP

    • Combination of BRK pump and gear pump
      Outstanding energy efficiency ratio
      Fixed diplacement
      Any installation position possible

      Operating pressure LP: up to 250 bar
      Operating pressure HP: up to 1'000 bar
      Displacement LP: 4,6–63,1 cm³/rev.
      Displacement HP: 0,47–6,33 cm³/rev.
      Max. speed: 2’000 rpm
    • Combination pumps SKP

    • 2- and 3-piston high-pressure pumps. Suction and
      pressure side valve controlled. Integrated low-
      pressure shut-off valve and high-pressure relief valve.
      Design with eccentric shaft

      Operating pressure LP: up to 100 bar
      Operating pressure HP: up to 700 bar
      Displacement LP: 4,5–16,7 cm³/rev.
      Displacement HP: 0,5–2,7 cm³/rev.
    • Combination pumps KKP

    • Compact and lightweight. Integrated low-pressure
      shut-off valve and pressure relief valve. Self-venting.
      Design with hollow eccentric shaft.

      Operating pressure LP: up to 60 bar
      Operating pressure HP: up to 700 bar
      Displacement LP: 1,10–2,65 cm³/rev.
      Displacement HP: 0,17–0,24 cm³/rev.
      Speed range: 500 to 3'600 rpm
    • Multi-outlet pumps MRK

    • Various outlet pumps available on request.
      Self priming, self venting. Valve controlled
      High volumetric efficiency

      Number of circuits: 2–12
      Operating pressure: up to 1'000 bar
      Displacement/circuit: 0,15–5,43 cm³/rev.
      Max. speed: 2’000 rpm
    • Radial piston micro-pumps for press tools

    • Operating pressure: HP 700 / LP 60 bar
      Displacement: HP 0.05 / LP 0.5 cm³/rev.
      Temperature range: -30°C to 80°C
      Speed range: 1'200 rpm
      Dimensions: Ø 50mm x 108mm
      Material: Steel
    • Radial piston micro-pumps for press tools

    • Operating pressure: HP 680 / LP 60 bar
      Displacement: HP 0.16 / LP 0.9 cm³/rev.
      Temperature range: -30°C to 80°C
      Speed range: 1'000 rpm
      Dimensions: Ø 49mm x 60mm
      Material: Steel
    • Radial piston micro-pumps for press tools

    • Operating pressure: HP 720 / LP 90 bar
      Displacement: HP 0.17 / LP 1.17 cm³/rev.
      Temperature range: -30°C to 80°C
      Speed range: 1'200 rpm
      Dimensions: Ø 40mm x 82mm
      Material: aluminium steel
    • Axial piston micro-pumps for oil exploration

    • Operating pressure: up to 350 bar
      Displacement: 0.075 cm³/rev.
      Temperature: up to 175°C
      Speed range: up to 3'000 rpm
      Dimensions: 40 x 40mm, square
      Material: stainless steel
    • Axial piston micro-pumps for oil exploration

    • Operating pressure: up to 700 bar
      Displacement: 0.15 cm³/rev.
      Temperature: up to 175°C
      Speed range: up to 6'000 rpm
      Dimensions: ø43mm
      Material: steel
    • Axial piston micro-pumps for oil exploration

    • Operating pressure: up to 300 bar
      Displacement: 0.016 cm³/rev.
      Temperature: up to 175°C
      Speed range: up to 6'000 rpm
      Dimensions: ø30mm
      Material: steel
    • Axial piston micro-pumps for oil exploration

    • Operating pressure: up to 100 bar
      Displacement: 0.045 cm³/rev.
      Temperature: up to 200°C
      Speed range: up to 600 rpm
      Dimensions: ø35mm
      Material: stainless steel
    • Axial piston micro-pumps for oil exploration

    • Operating pressure: up to 350 bar
      Displacement: 0.12 / 0.28 / 0.36 cm³/rev.
      Temperature: up to 250°C
      Speed range: up to 6'000 rpm
      Dimensions: ø36mm
      Material: steel
    • Axial piston micro-pumps for oil exploration

    • Operating pressure: up to 350 bar
      Displacement: 1.6 cm³/rev.
      Temperature: up to 200°C
      Speed range: up to 5'000 rpm
      Dimensions: ø72mm
      Material: steel
  • Seated valves

    • Seated valves 2/2-, 3/2-, 3/3-, 4/2- and 4/3-way valves Type BV700

    • Solenoid or manually operated
      Positive overlap
      100% duty cycle
    • Seated valves 2/2-, 3/2- und 3/3-way valves

    • Type HV700
      Solenoid operated
      Negative overlap
      100% duty cycle
    • Pressure valves

    • As screw-in cartridges or intermediate plate valves
      Excellent pressure adjustment over the entire operating range

      Pressure relief valves
      Unloading valves
      Pressure reducing valves
      Proportional pressure relief valves
    • Pressure relief valves

    • As screw-in cartridge or end plate valves
      Excellent pressure adjustment over the entire operating range
    • Flow control valves

    • Load holding and lowering valves
      Orifice plates
      Throttle valves
    • Non-return valves

    • Shut-off valves
      Check valves
    • Sub-plates, accessories

    • Sub-plates and multi-station sub-plates
      Compact circuit design with up to 6 control circuits
      Valve fittings
    • Sub-plates and stacking plates

    • Sub-plates and end-plates
      Compact circuit design
      Accessoriesfor horizontal stacking assembly
  • Valves for in-line mounting

    • Valves for in-line mounting up to 1000 bar: Pressure relief valves DV2

    • Up to 12 l/min
      Poppet design
      Direct operated
      Max. pressure adjustable by locking nut
    • Valves for in-line mounting up to 1000 bar: Manual shut-off-valves SPV2

    • Up to 32 l/min
      Poppet design
      Leakage free
      Low operating force
      Both connections designed for max. pressure
    • Valves for in-line mounting up to 700 bar: Manual gate valves HSV

    • Up to 25 l/min
      3/2-, 3/3- and 4/3-way valves
      For in-line mounting or plate arrangement NG6,
      DIN 24340
      Robust design
      Weight optimised
    • Valves for in-line mounting up to 700 bar: Automatic dump valve ADV

    • Up to 25 l/min
      For single acting cylinders
      Switching on and shut-off function
      Small dimensions
  • Pressure switches

    • Pressure switches with one change-over switch

    • Protection class IP 64
      Switching hysteresis of scale end value 5 - 10%
      Repeat accuracy of the scale value 1%

      With pressure adjusting scale
      7 Pressure ranges (60 - 1000 bar)
      Minimal dimensions
      Can be turned trough 360° at full pressure
    • Pressure switches with two change-over switches

    • Protection class IP 54
      Switching hysteresis of scale end value 2 - 10%
      Repeat accuracy of the scale value 1%

      7 Pressure ranges (70 - 1000 bar)
      Suitable for panel mounting
      Indication of actual pressure and pressure settings
  • Oil level switches

      • Oil level switches

      • Minimal dimensions
        Length up to 1'200 mm
        Removable without disassembling of reservoir cover

        Various types available with 1 or 2 level
        contacts and additional temperature switch
        Temperature contact up to 90° C

        Design and specifications subject to change without notice.
  • Tools and pumps

    • Pumps: BRK

    • Radial piston pumps Type BRK up to 1000 bar, up to 6,33 cm³/rev.

      Characteristic
      High volumetric efficiency. Self priming and self venting. Low pulsation. Low noise. High life span. Constructed for hard conditions, high and permanent operating pressure up to 1000 bar. In combination with a gear pump to a combination pump BKP.

      Use
      The valve controlled radial piston pump is concepted like a building kit and can be equiped with 3, 5 or 7 piston elements in several circuits. Multi-outlet pumps, other displacements, pressure- or speed range on demand.
    • Pumps: BRK

    • Combination pumps Type BKP
      LP up to 250 bar / 63,1 cm³/rev.
      HP up to 1000 bar / 6,33 cm³/rev.

      Characteristic
      Compact design. Self priming. Various possibilities of combination. Any installation position possible. Assembled for installation.

      Use
      Where two different oil- / hydraulic circuits are in action, which are different in displacement and pressure.