Spears True-Union PVC Spring Check Valve 3" S1780-30FSR SR FIPT Manufacturers__A.Y. McDonald Mfg. Co.__Water Pump Packages__20 GPM TRI-SEAL™ Floating Impeller Design on

TRI-SEAL™ Floating Impeller Design on 10

Type 6 Seal for Added Pump Life

Orenco CF4 Typical Application

Minimum opening pressure less than 0

Blow Out Proof Stem Design

Spears True-Union PVC Spring Check Valve 3" S1780-30FSR SR FIPT Manufacturers__A.Y. McDonald Mfg. Co.__Water Pump Packages__20 GPM TRI-SEAL™ Floating Impeller Design onSpears Utility Swing Check and spring assisted Utility Spring Check Valves offer a compact, high performance check valve for Landscape & Irrigation, Pool & Spa, Aquaculture, OEM and many general purpose applications. These maintenance free sealed units feature long life EPDM elastomer seats with weighted disc for full flow with minimal restriction and positive shutoff. Spring assisted Spring Check model incorporates a positive pressure spring to