Bơm tay thủy lực Hi-Force HP257

The HP manually operated pump range offers a choice of single or two speed operation and all models are supplied complete with a pre-filled oil reservoir, ready for immediate use. All models have a maximum working pressure of 700 bar and the range includes pump models suitable for use with either single acting cylinders or tools. The HP range offers the ideal solution for applications where completely independent, portable hydraulic power is required. With low handle effort characteristics for easy operation, all models are of strong durable construction. Hi-Force HP manually operated pumps have a proven track record industry wide and offer excellent value for money in portable hydraulic power. A full range of system components suitable for use with HP manually operated pumps are available.

• Single or two speed operation
• Durable steel construction
• Working pressure 700 bar

• Oil reservoir capacity up to 4.1 litres
• External pressure release valve
• Factory set safety relief valve
• Changeover pressure for two speed models is 14 bar
  

  Displacement per stroke cm3
  Model Number	Valve type	1st stage	2nd stage	Usable oil cap. Liltres	Handle effort kg	Weight kg
  Single speed hand operated pumps for single acting cylinders and tools
  HP110	2-way	2.9	–	1.0	45	5.6
  Two speed hand operated pumps for single acting cylinder and tools
  HP227	2-way	12.9	2.3	2.3	38	10.5
  HP257	2-way	12.9	2.3	4.1	38	15.2

   

  Dimensions in mm
  Model Number	A	B	C	D	E	F
  HP110	558	566	128	134	145	40
  HP227	544	597	168	135	145	53
  HP257	545	597	168	135	150	53