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Pressure Relief Valves for Well Systems

Series N30 Pressure Relief Valves for Wells are used to protect against excessive pressures in well systems. They are not diaphragm actuated, and they are used for pressure-relief service only. Series N30 has a bronze body construction with NPT threaded male inlet and NPT threaded female (drain) outlet connections and a stainless steel spring. Pressure Range: 5 to 25psi (34.5 to 172.4 kPa). Model N30L has a test lever and a pressure range of 30 to 60psi (206.7 to 413.4 kPa) and a standard pressure setting of 30 to 45psi (206.7 to 310 kPa).


  • Models available with test lever
  • Valve protects against excessive pressures in well systems
  • Rugged bronze body with stainless steel spring
  • For pressure relief service only (not diaphragm actuated)

Select a Model

Select options below to identify the UPC, Order Code, and Repair Kit for a specific N30

Approval Information

For approval information, please refer to the products specification sheet. For any other information on product certification and documentation information, please visit our certification partner websites: