HEAD OFFICE: TEL:886-4-2406-8999    FAX:886-4-2406-2617

Cartridge Type Pump Unload Valve VBU-02

Features

  • The accumulator sense, pump unload pilot valve is used to sense pressure in an accumulator at port 1 of the valve and when the pressure at port 1 reaches the valve setting, port 2 connects to port 3 to vent a relief valve and unload the pump. This valve has a pressure difference between unloading and reset, when the pressure at port 1 drops below the valve setting value, port 2 is blocked from port 3 and the pump will come back online to recharge the accumulator.
  • When applying this cartridge, a separate oil drain circuit is required to prevent unstable fluctuations in oil line back pressure.

Inquiry
PDF
  • Specifications
  • How to Order
Model Number Maximum Pressure (bar) Flow (lpm) Weight (kg)
VBU-02 350 (5076 psi) 0.75 (0.20 gpm) 0.17 (0.37lbs)
Fluid Type ISO VG 32, 46, 68
Viscosity (cSt) 10~400 (59~1854 SSU)
Operating Temperature (°C) -30~100 (-22~212°F)
Contamination Level ISO4406. 20/18/15 NAS1638. 9