Bieri Hydraulik液压阀

Over 50 years of know-how and quality in hydraulics up to 1000 bar! Bieri Hydraulik AG, which is now a part of MK Holding SA, was founded in 1950.

70 staff develop, manufacture and sell, at two locations, standard components up to 1000 bar and special solutions in all pressure ranges. Complete installations include electrical control and fitting. To your advantage.

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.

Bieri Hydraulik AG has a global network of representatives. Two thirds of its products are exported.
 

• Hydraulic pump: Radial piston pump
• Hydraulic pump: Axial piston pump
• Hydraulic pump: Standard pumps and power packs
• Miniature hydraulic: Pump, fixed displacement
• Miniature hydraulic: Pump, variable displacement
• Miniature hydraulic: Pump, ajustable displacement
• Hydraulic pump: Combination pump
• Hydraulic pump: Multi-outlet pump
• Miniature hydraulic: Radial piston micro-pump
• Miniature hydraulic: Axial piston micro-pump
• Hydraulic pump and/or accumulator for oil exploration
• Hydraulic pump and/or accumulator for press tools
  

  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
  Tools		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.