Since 1958, Check-All Valve® Mfg. Co. has manufactured a complete line of spring-loaded piston-type check valves, also known as silent check valves. We service customers all over the world in…

Check valves are installed in many piping systems. Their purpose is to allow flow in only one direction, which can be critical for plant safety and to protect equipment from…

Flow reversal in piping systems can degrade equipment performance and cause significant water hammer, potentially resulting in catastrophic failure. Power plant condenser cooling water systems—or circulating water systems—are especially prone…