IMP Piston Pump

IMP Piston Pump (0.16/0.25/0.4cc, Rated pressure 30MPa, Peak pressure 35MPa)

Working Principle: Reciprocating plunger changes sealed volume to suction/discharge oil-upward movement increases volume (suction via check valve); downward movement reduces volume (discharge via check valve).

High Pressure & Flow: Handles over 350 psi, with flow rates from L/h to hundreds of L/min for diverse industrial needs.

Robust Build: Critical components are often made from corrosion-resistant materials, ensuring compatibility with aggressive fluids (e.g., chemicals, solvents) and extending service life.

Compact and durable design minimizes wear, even in harsh operating environments (e.g., high temperatures,...)

• Design for mass production, Low cost and low price
• Cartridge design, eliminate hoses, highly integrated system
• Bi-directional for EHA
• -40 ℃ applicable
• 7 piston design, low pulsation and low noise
• Short time operation suggested(<20min continually)
• -0.2bar inlet permitted
• Multiple fluid allowed
• In mass production, short lead time

1. Designed for short time operation, less than 20 min continuous operating suggested

2. Displacement :0.16, 0.25, 0.4cc

3. Rated pressure 30MPa,Peak pressure 35MPa

4. Max speed 4000rpm,Min speed 500rpm

5. Permitted fluid：DTE21~26,DOT3,DOT4

6. Oil temperature-40~80℃

7. Contamination: ISO4406 21/18/15(NAS 9)

8. Flexible coupling suggested

9. -0.2bar inlet permitted

Cavity:

3mm case drain port can locate on any position of the circuit of Dia.28

case drain port can locate on any

position of the circuit of Dia.28

Note:

1) After the pump is installed in the valve block, it should be raised by about 0.1mm, and it needs to be pressed down with a motor or bell jar.

2) The optimal design for the oil drain hole is at the top of the pump, which can completely discharge the gas inside the pump casing and achieve good lubrication effect.

3) The oil drain circuit can also be connected to a 3mm diameter oil drain hole at the tail of the pump

Installation: (Bi-directional)

CCW rotation(face to shaft), port A inlet, Port B outlet.

Pressure:

Test with 15#(DTE22).

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