The Check Valve is a compact. cost effective valve offering low pwessure-drop, non-slam performance.
The Check Valve assembly is lighter and faster to install, and costs less than flanged and wafer valve assemblies. In the full-open position the swing clapper is held tightly against the valve body, out of te flow stream, to provide maximum flow area and prevention of clapper flutter.
The clapper design produces quick, non-slam closure before flow reversal can occur, while meeting FM requirements for an anti-water hammer valve rating. Each valve is hydrostatically tested for leak tightness to 500 PSI.
The clapper=seat design permits leak free sealing of back pressures in service conditions. ranging from 300 PSI to as low as 1PSI(28”water head)
*Specifications
| Working Pressure | 300PSI (21.4 Bars) |
| Max. Tes Pressure | 500PSI (34.5 Bars) |
| Max. Working Temp | 250°F (120°c) |
*Materials of Primary Coponents
| Body | Ductile iron conforming to ASTM A 536, Epoxy coated |
| Color | Red or Black (optional) |
| Clapper | 2"-5" Type 304 or 302 stainless to ASTM A 167 |
| Clapper Facting | 6"-8" Ductile iron conforming to ASTM A 536, Grade 65-45-12 |
| Seat Ring | Grade E EPDM -40° to 230°F (-40° to 110°c) Service Temperature Range |
| Spring | Type 302 stainless steel to ASTM A 313 |
| Hinge Pin | Type 304 or 302 stainless steel to ASTM A 580 |
| Hinge Pin Bushings | Sintered bronze to ASTM B 438 |
| Hinge Pin and Drain Plugs | Cast iron to ASTM A 126 Class A |
