FP53L Pressure Relief Valves for Fire Protection Applications with Test Lever
Series FP53L Pressure Relief Valves for Fire Protection Applications are designed for use in fire protection grid systems to provide protection against excessive water pressure caused by thermal expansion or line surge. It consists of a bronze body construction with NPT threaded male inlet and NPT threaded female (drain) outlet connections, stainless steel spring, and test lever. Series FP53L is UL listed and has a standard 175psi (12.25 bar) pressure relief setting.
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** Territory restrictions apply for most products.
175 psi to 310 psi
Standard Available Pressure Settings:
175 psi, 185 psi, 260 psi, 310 psi
See product datasheet for additional details