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Check valves prevent backflow by automatically closing when fluid reverses direction. Wafer checks may be installed in horizontal positions (or vertical with flow moving up). Please refer to NIBCO technical data sheets, chemical resistance guides and catalogs for engineering and installation information. Choose NIBCO check valves for the most specified, versatile and economical valve option in commercial, mechanical and industrial applications. NIBCO check valves are backed by the NIBCO 5-year 125% limited warranty.
Valve pressure rating 200 psi/13.8 bar non-shock cold working pressure
Maximum temperature 200 degree F/ 93 degree C
Renewable seat and disc
Spring actuated (1/2 psi cracking pressure)
Class 250 flanged end connections
Conforms to MSS SP-125
Conforms to MIL-V-18436F
FM approved (2-1/2" to 10")
NSF/ANSI 61 and NSF/ANSI 372
Potable Water Code: LL Compliant NSF/ANSI 372
Classification: Push Metal Couplings
All Basic Material: Cast Iron
Type of Valve: Check Valve
Nominal Size: 2-1/2 in.
Seat Seal Material: Bronze
Valve End Connection Type: F -- Flanged
Valve Pressure Rating (CWP): 200 PSI / 13.8 Bar CWP
Turns Operations: Non-Manual
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