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Fisher-P-F Series

Fisher™ F Series Excess Flow Valves

Product Description

F Series excess flow valves are intended to close upon excessive discharge of vapor or liquid resulting from a break in the hose or piping system. They are used to protect cylinder, tank and piping systems, and are available in a large variety of sizes and body configurations. When flow exceeds the valve?s setting, the valve closes and remains closed until the system equalizes. A built-in equalizing passage automatically opens the valve once pressure on both sides of the poppet is equal.

Features

  • Complies with NFPA 58 Requirement
  • Available in a Variety of Sizes and Body Configurations
  • UL Listed

Specifications

Body Sizes and End Connection Styles (inlet x outlet)
9/16-18 UNF LH, POL, 1/4 NPT, 1/2 SAE Flare, 3/4 NPT, 1 NPT, 1-1/2 NPT, 2 NPT, 2-1/2 NPT, 3 NPT
Maximum Operating Pressure
250 psi / 17,2 bar
Maximum Differential Pressure
15 psig / 1,0 bar

Documents & Drawings