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this packing solution resists volume loss and oxidation
it requires a minimum pressure differential of 5 PSI to open and close the diaphragm effectively
a calibrated damper for backflow prevention
It is recommended to calibrate using an inline pressure gauge for maximum accuracy
Key Benefits: Precise OEM Specifications: 5
Conbraco Industries 4A-203-A2F Preventer Els PW 17895 this packing solution resists volumeThe Conbraco Industries 4A 203 A2F is a professional grade 1 2" bronze backflow preventer test cock designed for high precision field testing of reduced pressure zone (RPZ) and double check valve assemblies. This SAE threaded test cock is the direct engineering successor to the 4A 203 T2F, offering a refined ball valve design for reliable shutoff during differential pressure testing. Constructed from heavy duty bronze, it features stainless steel
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