ASTM D1784

• Chemical- and corrosion-resistant PVC white or high-visibility PVC clear construction No metal parts on swing check, stainless steel spring on spring check True union style for easy in line replacement of sealed unit Strong buttress threaded union nuts Engineered for maximum flow, quick response and positive shut-off's Long life, high-grade EPDM seat with weighted disc Silicone-free assembly

Spears® true union utility swing check and spring assisted true union utility spring check valves offer a compact, high performance check valve for landscape and irrigation, pool and spa, aquaculture, OEM 1 and many general-purpose applications. True union design allows for easy in line replacement of maintenance-free sealed units. These valves feature long life EPDM elastomer seats with weighted disc for full flow with minimal restriction and positive shut-off. Spring assisted "Spring Check" model incorporates a positive pressure spring to assist in valve closing without slamming.