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• Piped to an outlet for an air valve
• Protects potable water systems from environmental and malicious contamination
• ASSE Approved
• Manufactured under a certified ISO 9001 quality system
• Available in sizes 1" - 16"
• NSF 61 Approved Fusion Bonded Epoxy
• Field Testing Capability - field test kit
• Low Pressure Shut Off
• Added Protection - dual float checks



• Cross Contamination Control
• Meets ASSE 1063
• Matable to existing air valve installations
• Dual Chambers - Upper Chamber is designed as a back up
• Dual Float Checks - Designed to assure rapid closure upon the entry of fluid into the chamber.
• Resilient Seat - patented resilient seats are specially designed and formulated to assure drop tight closure at low pressures.
• Test Ports - Provides for independent testing of both chambers
• Basket Screen - prevents debris from entering
• Cover - Port sized to allow for full venting capacity of air valve or vent
• Optional Field Test Kit - Allows testing of valve in the field