Designed for installation on potable water lines to protect against backsiphonage of contaminated water into the potable water supply. Assembly shall provide protection where a potential health hazard exists.
FEATURES
Size: 3/4"
Maximum working water pressure 150 PSI
Maximum working water temperature 110°F
Hydrostatic test pressure 300 PSI
End connections threaded ANSI B1.20.1
STANDARDS COMPLIANCE
ASSE ® Listed 1020
IAPMO® Listed
CSA ® Certified
Approved by the Foundation for Cross-ConnectionControl and Hydraulic Research at the University of Southern California
MATERIALS
Main valve body Cast Bronze ASTM B584
Fasteners Stainless Steel, 300 Series
Elastomers Silicone (FDA approved)
Buna Nitrile (FDA approved)
Polymers Polypropylene (FDA approved)
Delrin® (FDA approved)
Springs Stainless steel, 300 series
TYPICAL INSTALLATION
Local codes shall govern installation requirements. Unless otherwise specified, the assembly shall be mounted at a minimum of 12" (305mm) above the highest piping or outlet downstream of the device. Install with adequate drain and sufficient side clearance for testing and maintenance. The installation shall be made so that no part of the unit can be submerged. A pressure vacuum breaker cannot be installed where back-pressure could occur or where spillage of water from vent could cause damage.
