Description
Gruvlok® Check Valve, Series: Fig 7800, 8 in Nominal, 300 psi Pressure, -40 to 230 deg F, No Low Lead Compliance, 14-3/4 in Inlet to Outlet Length, 8 in Top to Inlet Center, Ductile Iron Body, 304 Stainless Steel/302 Stainless Steel Trim, EPDM Softgoods, Rust Inhibiting Painted, 10-1/4 in H, Domestic
Features:
- In the fully open position the Series 7800 swing clapper is held tightly against the valve body, out of the flow stream, to provide maximum flow area and prevention of clapper flutter.
- In the fully open position the series 7800 swing clapper is held tightly against the valve body out of the 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 (20.7 bar) to as low as 1 psi (0.07 bar) (head pressure: 28 in)
- 304 stainless steel seat ring/302 stainless steel spring
- EPDM clapper facing
Applications:
For grooved end piping systems
Standards/Approval:
- ASTM A 536 Ductile Iron Body
- ASTM A 123/ASTM A 213/ASTM A 312 or ASTM A 269 Seat Ring
- ASTM A 313 Spring
- ASTM A 580 Hinge Pin
- ASTM B 438 Hinge Pin Bushings
- ASTM A 126 Class A Hinge Pin Plugs/Drain Plugs
