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 Abstract Pumps Axial piston pumps AKP3- and 5-piston versionSuction and pressure side valve controlledHigh volumetric efficiencyCompact designOperating pressure: up to 500 barDisplacement: 0,1 cm³ or 0,3 cm³/rev.Speed range: 100 – 5'000 rpmRadial piston pumps BRK3-, 5- and 7-piston versionsSelf priming, self ventingValve controlledHigh volumetric efficiencyOperating pressure: up to 1'000 barDisplacement: 0,47– 6,33 cm³/rev.Speed range: 500 – 2'000 rpmRadial piston pumps HRKCompact designDirect installation of motor, no coupling,no bellhousingVersion with hollow eccentric shaft,with or without pressure relief valveOperating pressure: up to 700 barDisplacement: 0,12– 0,34 cm³/rev.Speed range: 500 – 3'600 rpm Radial piston pumps SRK-ATEX3-, 5- and 7-piston versionsSelf priming, self ventingSuitable for use in explosive environmentsClass II: gases, vapours, mistsOperating pressure: up to 700 barDisplacement: 0,47– 6,33 cm³/rev.Max. speed: 1'800 rpmCombination pumps BKPCombination of BRK pump and gear pumpOutstanding energy efficiency ratioFixed diplacementAny installation position possibleOperating pressure LP: up to 250 barOperating pressure HP: up to 1'000 barDisplacement LP: 4,6–63,1 cm³/rev.Displacement HP: 0,47–6,33 cm³/rev.Max. speed: 2’000 rpmCombination pumps SKP2- and 3-piston high-pressure pumps. Suction andpressure side valve controlled. Integrated low-pressure shut-off valve and high-pressure relief valve.Design with eccentric shaftOperating pressure LP: up to 100 barOperating pressure HP: up to 700 barDisplacement LP: 4,5–16,7 cm³/rev.Displacement HP: 0,5–2,7 cm³/rev. Combination pumps KKPCompact and lightweight. Integrated low-pressureshut-off valve and pressure relief valve. Self-venting.Design with hollow eccentric shaft.Operating pressure LP: up to 60 barOperating pressure HP: up to 700 barDisplacement LP: 1,10–2,65 cm³/rev.Displacement HP: 0,17–0,24 cm³/rev.Speed range: 500 to 3'600 rpmMulti-outlet pumps MRKVarious outlet pumps available on request.Self priming, self venting. Valve controlledHigh volumetric efficiencyNumber of circuits: 2–12Operating pressure: up to 1'000 barDisplacement/circuit: 0,15–5,43 cm³/rev.Max. speed: 2’000 rpmRadial piston micro-pumps for press toolsOperating pressure: HP 700 / LP 60 barDisplacement: HP 0.05 / LP 0.5 cm³/rev.Temperature range: -30°C to 80°CSpeed range: 1'200 rpmDimensions: Ø 50mm x 108mmMaterial: Steel Radial piston micro-pumps for press toolsOperating pressure: HP 680 / LP 60 barDisplacement: HP 0.16 / LP 0.9 cm³/rev.Temperature range: -30°C to 80°CSpeed range: 1'000 rpmDimensions: Ø 49mm x 60mmMaterial: SteelRadial piston micro-pumps for press toolsOperating pressure: HP 720 / LP 90 barDisplacement: HP 0.17 / LP 1.17 cm³/rev.Temperature range: -30°C to 80°CSpeed range: 1'200 rpmDimensions: Ø 40mm x 82mmMaterial: aluminium steelAxial piston micro-pumps for oil explorationOperating pressure: up to 350 barDisplacement: 0.075 cm³/rev.Temperature: up to 175°CSpeed range: up to 3'000 rpmDimensions: 40 x 40mm, squareMaterial: stainless steel Axial piston micro-pumps for oil explorationOperating pressure: up to 700 barDisplacement: 0.15 cm³/rev.Temperature: up to 175°CSpeed range: up to 6'000 rpmDimensions: ø43mmMaterial: steelAxial piston micro-pumps for oil explorationOperating pressure: up to 300 barDisplacement: 0.016 cm³/rev.Temperature: up to 175°CSpeed range: up to 6'000 rpmDimensions: ø30mmMaterial: steelAxial piston micro-pumps for oil explorationOperating pressure: up to 100 barDisplacement: 0.045 cm³/rev.Temperature: up to 200°CSpeed range: up to 600 rpmDimensions: ø35mmMaterial: stainless steel Axial piston micro-pumps for oil explorationOperating pressure: up to 350 barDisplacement: 0.12 / 0.28 / 0.36 cm³/rev.Temperature: up to 250°CSpeed range: up to 6'000 rpmDimensions: ø36mmMaterial: steelAxial piston micro-pumps for oil explorationOperating pressure: up to 350 barDisplacement: 1.6 cm³/rev.Temperature: up to 200°CSpeed range: up to 5'000 rpmDimensions: ø72mmMaterial: steel  Seated valves Seated valves 2/2-, 3/2-, 3/3-, 4/2- and 4/3-way valves Type BV700Solenoid or manually operatedPositive overlap100% duty cycleSeated valves 2/2-, 3/2- und 3/3-way valvesType HV700Solenoid operatedNegative overlap100% duty cyclePressure valvesAs screw-in cartridges or intermediate plate valvesExcellent pressure adjustment over the entire operating rangePressure relief valvesUnloading valvesPressure reducing valvesProportional pressure relief valves Pressure relief valvesAs screw-in cartridge or end plate valvesExcellent pressure adjustment over the entire operating rangeFlow control valvesLoad holding and lowering valvesOrifice platesThrottle valvesNon-return valvesShut-off valvesCheck valves Sub-plates, accessoriesSub-plates and multi-station sub-platesCompact circuit design with up to 6 control circuitsValve fittingsSub-plates and stacking platesSub-plates and end-platesCompact circuit designAccessoriesfor horizontal stacking assembly  Valves for in-line mounting Valves for in-line mounting up to 1000 bar: Pressure relief valves DV2Up to 12 l/minPoppet designDirect operatedMax. pressure adjustable by locking nutValves for in-line mounting up to 1000 bar: Manual shut-off-valves SPV2Up to 32 l/minPoppet designLeakage freeLow operating forceBoth connections designed for max. pressureValves for in-line mounting up to 700 bar: Manual gate valves HSVUp to 25 l/min3/2-, 3/3- and 4/3-way valvesFor in-line mounting or plate arrangement NG6,DIN 24340Robust designWeight optimised Valves for in-line mounting up to 700 bar: Automatic dump valve ADVUp to 25 l/minFor single acting cylindersSwitching on and shut-off functionSmall dimensions   Pressure switches Pressure switches with one change-over switchProtection class IP 64Switching hysteresis of scale end value 5 - 10%Repeat accuracy of the scale value 1%With pressure adjusting scale7 Pressure ranges (60 - 1000 bar)Minimal dimensionsCan be turned trough 360° at full pressurePressure switches with two change-over switchesProtection class IP 54Switching hysteresis of scale end value 2 - 10%Repeat accuracy of the scale value 1%7 Pressure ranges (70 - 1000 bar)Suitable for panel mountingIndication of actual pressure and pressure settings  Oil level switches Oil level switchesMinimal dimensionsLength up to 1'200 mmRemovable without disassembling of reservoir coverVarious types available with 1 or 2 levelcontacts and additional temperature switchTemperature contact up to 90° CDesign and specifications subject to change without notice.   Tools and pumps ToolsPumps: BRKRadial piston pumps Type BRK up to 1000 bar, up to 6,33 cm³/rev.CharacteristicHigh 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.UseThe 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: BRKCombination pumps Type BKPLP up to 250 bar / 63,1 cm³/rev.HP up to 1000 bar / 6,33 cm³/rev.CharacteristicCompact design. Self priming. Various possibilities of combination. Any installation position possible. Assembled for installation.UseWhere two different oil- / hydraulic circuits are in action, which are different in displacement and pressure.  2