Pressure Relief Valve FP53L

Watts No. FP53L-M1 is designed for use in fire protection grid systems to provide protection against excessive water pressure caused by thermal expansion or line surge.

FEATURES

• UL / FM Approved
• Forged stainless steel spring
• Bronze body construction for superior strength and to prevent corrosion
• Manual test lever
• Valve stem is guided to enhance reseating
• 1⁄2″ (15mm) male inlet x female outlet
• Pressure settings: 175psi (12.1 bar)