Crispin Check Valves meet or exceed ANSI/AWWA C508 Standards.
abbreviations used for product Compliance
The SWC series provides an AWWA C-508 solution for more arduous check valve applications, including sewage and slurry. The substantial shaft diameter is ideal for difficult applications where back pressure can reach higher values quickly. Oil & Air Cushion configurations available.
NOMINAL INSIDE DIAMETER: 3”-36” Sizes Available; CL 125/150 & CL 250/300