Skip to Main Content


Part of the N30 Series

Ordering Code: 0109265

UPC: 098268009187

Lead Free Model Available

1/2 IN Bronze Diaphragm Type Pressure Relief Valve, Adjustable Range 5-30 psi, No Test Lever

This 1/2 inch pressure relief valve for wells is used to protect against excessive pressures in well systems. It is not diaphragm actuated, and is used for pressure-relief service only. It consists of a bronze body construction with NPT threaded male inlet and NPT threaded female (drain) outlet connections, and stainless steel spring. Its pressure range is 5 to 25 psi (0.34 to 1.72 bar) and a standard pressure setting of 30 to 45 psi (2.06 to 3.1 bar).

Product Features

  • Rugged bronze body
  • NPT threaded male inlet connection
  • Stainless steel spring
  • Automatic reseating
Body Material Bronze
Brand Name Watts
Inlet Connection Size 1/2 IN
Inlet Connection Type Male Threaded
Inlet Thread Type NPT
Lead Free NO
Model Number N30-005030
Outlet Connection Size 1/2 IN
Outlet Connection Type Female Threaded
Outlet Thread Type NPT
Part Number 0109265
Pressure Range 5 to 25 PSI
Protection Type Pressure
Series N30