HPS Hand pumps for single-acting cylinders YALE View larger

YALE HPS Hand pumps for single-acting cylinders

Hand pumps are easy to use and operate independently of any external energy source. They are designed for a maximum 700 bar system pressure and will allow each hydraulic cylinder to utilize its maximum capacity. The two-stage system reduces pumping time. Stage 1 allows rapid piston travel under no load or light load conditions. 

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Hand pumps are easy to use and operate independently of any external energy source. They are designed for a maximum 700 bar system pressure and will allow each hydraulic cylinder to utilize its maximum capacity. The two-stage system reduces pumping time. Stage 1 allows rapid piston travel under no load or light load conditions. The pump automatically switches to stage 2 when the piston is loaded and a higher force is required from top. The hand pump is an all-steel construction designed for rough use and has a high-efficiency pumping action. The handle can be locked for easy carrying. The large and easy-to-control return valve allows the operator to precisely control the return stroke. Other standard features include a large and easy-to-control hand wheel, air bleeding and oil filling plug, large support feet for stability, tilted tank to increase usable oil volume and ergonomic handle grip.

Features

  • Operating pressure max. 700 bar.
  • Two-stage operation with automatic switch-over (except HPS-1/0,7 A).
  • Large reservoir volumes.
  • With pressure relief valves, adjustable from the outside.
  • Precision-adjustable relief valve (handwheel).
  • Robust all-steel construction.
  • HPH pumps are equipped with a 4-way control valve plus a precision-adjustable relief valve.
  • Oil port thread 3/8 NPT.
  • Incl. oil filling.
  • Pressure gauges with corresponding adaptors are also available as accessories

Product combinations

Model Reservoir volume, cm³ Displacement
HPS-2/0,3A 300 two-stage
HPS-2/0,7A 700 two-stage
HPS-1/0,7A 700 single-stage
HPS-2/2A 2 000 two-stage
HPS-2/4A 4 000 two-stage
HPS-2/6,5A 6 500 two-stage
HPS-2/10A 10 000 two-stage

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