Lever/Wt, Lever/Spring, & Air Cushion
The SWL provides an AWWA C-508-1 solution for check valve applications, including sewage and slurry.
|Nominal Inside Diameter||2″-36″ Sizes Available|
|Construction Materials||Body:||Ductile Iron (ASTM A536 GR 65-45-12)|
|Disc:||Ductile Iron (ASTM A536 GR 65-45-12)|
|Bolts/Nuts:||Bolt: Steel (ASTM A307) Nut: Steel (ASTM A563)|
|Seat:||Stainless Steel (ASTM A240) & Buna-N Rubber|
|Paint:||Primer Standard–Tnemec 141 Optional|
|Pressure Rating||250 psi Max. Oper. Press.|
Many Crispin Valves are available with special materials that may not be listed. Please contact the factory to inquire about custom orders.