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Series LFBP30 Lead Free* Diaphragm Operated Bypass Relief Valves regulate liquid pressure as supplied by a positive pressure pump. These relief valves protect equipment by opening at desired setting and allowing excess volume to be bypassed back to source. They feature Lead Free cast copper silicon alloy body construction, sensitive rubber diaphragms, and Buna-N discs. The tee handle facilitates pressure change. The spring and adjustment handle are free from contact with liquid elements being controlled. The maximum temperature for this series is 180°F (82°C). The LFBP30 features Lead Free* construction to comply with Lead Free* installation requirements.

  • Lead Free cast copper silicon alloy body
  • Sensitive rubber diaphragm
  • Tee handle
  • Spring and adjustment handle separated from liquid elements
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Manuals (1)


Lead Free:


Pressure Range:

10 to 50 psi

Min Pressure (PSI):


Max Pressure (PSI):



Cast Copper Silicon Alloy

Max Temp (F):



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