This Udor Relief Valve 1238.N4 can be used with many Udor diaphragm pumps and plunger pumps to relieve pressure. It is a brass pressure relief valve with a conical machined stainless steel poppet and seat for precision pressure control and minimal pressure rise in bypass.
- Max. Flow: 40 gpm
- Max. Pressure: 400 psi
- Brass construction.
- 3/4" Male NPT Inlet, 3/4" hose barb bypass, and 1/4" female NPT gauge port.