Product Description
The Watts 0387126 1 1/4″ Bronze Anti-Siphon Pressure Vacuum Breaker helps prevent the reverse flow of polluted water from entering into the potable water supply due to backsiphonage. It consists of bronze body construction, silicone rubber check valve disc, plastic check valve seat, stainless steel springs, a bonnet with silicone rubber O-ring seal, a lightweight plastic disc float, lever handle shutoffs, and test cocks for winterization draining. It is ideal in health hazard continuous pressure applications such as irrigation systems and industrial process water systems where the water enters the equipment at or below its flood rim. Maximum pressure is 150 psi (10.3 bar). Minimum pressure is 15 psi (55kPa).
From the Manufacturer
An anti-siphon pressure vacuum breaker shall be installed where indicated on the plans to prevent the back-siphonage of contaminated water. This assembly is not to be used where there is a possibility that a back pressure condition may develop.
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Bronze body construction ensures durability and long life
The acetal bonnet acts as a “freeze plug” to prevent costly body damage
Designed for reliable long-lasting performance with a silicone rubber sealing float O-Ring and seal check disc that are resistant to heat, shock, and chemicals
Internal parts are easy to access and service with no special tools required
The test cocks are conveniently positioned for easy testing and wintgerization
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