FP53L
Discontinued - Replaced By: FP53L-M1
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. They have 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.
Features
- Bronze body construction for superior strength and to prevent corrosion
- Valve stem is guided to enhance reseating
- Manual test lever
- Underwriters Laboratory listed
Literature
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Approval/Certification Information
For product-specific approval information, please refer to the product’s specification sheet (see literature section above) or ask a Watts representative. For general information regarding any approval certification partners identified in the specification sheet, please visit our certification partners’ websites:
| ASSE | CSA | FM Approvals | NSF |
| UL | ULC | USC | WQA |