F-869-B Cast Iron, Angle Valve, Class 250, Steam Stop-Check, Flanged

F869B FLG ANGLE CAST IRON

Angle Valve – Steam Stop-Check, Cast Iron

The NIBCO® cast iron automatic steam stop-check angle valve is designed for steam systems with boilers installed in tandem. The steam stop-check design prevents boiler flooding by automatically closing when steam and condensate begins to back up. These valves are also used to isolate boilers in a steam system. The valve is Class 250 flanged iron body and bronze mounted trim (IBBM). 2-1/2" and 3" sizes available in PTFE seat only (F-869-Y).

The NIBCO® steam stop-check angle valve has flanged end connections for ease of installation. This valve features renewable seat and disc. The bolted bonnet makes the valve convenient to maintain. Please refer to NIBCO technical data sheets, catalogs, engineering and installation information for proper sizing and application of this valve. Choose NIBCO® pressure rated valves for the most specified, versatile and economical valve option in commercial, mechanical and industrial applications. NIBCO® valves are backed by the NIBCO 5-year 125% limited warranty.

250 psi/17.2 bar saturated steam to 406°F/207°C
500 psi/34.5 bar non-shock cold working pressure
Bronze mounted trim
Angle pattern
Bolted bonnet
Renewable seat and disc
Class 250 flanged end connections
Conforms to MSS SP-85
Size range 4", 6" & 8"