Swing Check Valves - Model 7700, Model 7700LW, Model 7700LS

Cast Iron Swing Check Valve

Full Waterway

The United Model 7700 Swing Check Valve is manufactured in strict accordance with AWWA C508 Standard. The heavy duty body is of ASTM A126, Class B cast iron, Fusion Bonded Epoxy Coated with DuPont Napgard® powder, Certified to NSF-61. Bonnet bolts are of Type 304 Stainless Steel (standard), offering the ultimate in corrosion protection. Internal gaskets and seat rings are of NBR Rubber. The Clevis Pins and Hanger Shafts are of Type 304 Stainless Steel to provide long lasting service for water, sewer, or wastewater applications.

United Model 7700 Swing Check Valves are available with flanged ends, in standard configuration. Also available with Lever & Weight or Lever & Spring.

Resilient Seat Check Valve

ANSI 125 lb. Body

7700-LW (with lever & weight)
7700-LS (with lever & spring)