Hydraulic Pump Unloader Valves

Hydraulic Pump Unloader Valves

The L&S Electric High Capacity Unloader Valves include relief valve and check valve functionality for hydroelectric turbine governors.


Advantages vs. Competitive Product

  • Maximum pressure1650 psi vs. 1100 psi
  • Standard SAE-type weld flanges, ready to weld into existing piping arrangements
  • Pilot valve filter rated for ß10 = 200
  • Simplified design reduces cost and delivery times