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The vacuum breaker/backflow preventor provides protection against cross-connection of the potable water supply
The stem is secured at both ends of the valve therefore
Operating Pressure: Maximum 10
UPC/IPC by IAPMO
Common applications include parks
1/2" x Close 150# Black Threaded Pipe Nipple - Box of 250 Drains The vacuum breaker/backflow preventor providesMaterial: Black Malleable Iron 150# Connection: Threaded Thread Type: Male Features: Meets or exceeds all applicable ASTM and ANSI standards 100% pressure tested before leaving the factory Conforms to ASTM A 197 (CUPOLA) Dimensions conform to ANSI B 16. 3, B 16. 4, B 16. 39 & SI 225 Threads conform to ANSI ASME B 1. 20, BS 21 150 PSI Working Pressure is 10kg cm (150 P. S. I.) at 350F
