What are the third-party inspection and certification options for check valves

VC 10.300 Check valve. This check valve is needed to connect multiple VC 10 vacuum controllers in series to a vacuum source. Every vacuum controller requires ... A check valve, a non-return or one-way valve, is a mechanical device that allows a gas or liquid to flow freely in one direction while preventing reverse flow ... The Series 225 Auto-Soft is a flow-actuated check valve used for throttling roughing pumps during initial evacuation. Auto-Soft check valves close very quickly ... E/E3 Alarm Check Valve with E2 Euro Stainless Steel Trim · Grooved Connections · Sprinklers · Valves & Systems · Wet System Valves · Dry System Valves · General ... Proco Products is a leading manufacturer of rubber check valves, these are fully passive devices requiring neither maintenance nor any source of outside power ... The TrueClean CIP'able air blow check valve can be cleaned in place with a process line. It fits in place of an existing standard air blow check valve. Related Documents ... Furon® Large Check Valves from Saint-Gobain are injection molded and feature a high-purity PFA wetted flow path. ... Prevents drain-down of ... The globe style is compact and light weight with integral ANSI Class 125/150 flanged connections, standard lead-free bronze trim and EPDM rubber seat for leak ... Double Check Valve Assemblies. Designed for use in non-health hazard cross-connections and continuous pressure applications subject to ... Description. A 1-way check valve permits flow in 1 direction only. Radium Engineering check valves feature a lightweight anodized aluminum body with FKM seals ...