Singer Relief & Sustaining Valves

Relieve pressure and Sustain differential pressure

Singer Relief and Sustaining Valves

Protecting your system from excess pressure and maintaining critical minimum pressure. Direct-acting. Fast Opening, Slow Closing.

There are many different variations available to fit your specific needs. Please Contact Us for a free quote or consultation.


Singer Pressure Relief Valve prevents over pressure by relieving excess flow.


Singer Sustaining Valve ensures minimum upstream pressure for critical use


Singer Differential Sustaining Valve maintains a minimum differential pressure