Series 9D Dual Check Valves with Intermediate Atmospheric Vent prevent the reverse flow of hot or cold polluted water from entering into the potable water supply.

Features:

·   True line-sized construction allows the check modules to open further allowing dirt and debris to pass more freely reducing check fouling

·   Stainless steel internal parts

·   Maximum flow at low pressure drop

·   Furnished with union connections to facilitate removal and replacement for maintenance

·   Compact for economy combined with performance

·   Design simplicity for easy maintenance

·   Can be installed vertically or horizontally

Materials:

Forged brass body construction, Stainless steel internal parts, Durable, tight seating rubber check valve assemblies

Standards & Approvals:

·   ASSE 1012

·   CSA B64