Test ports are provided through the housing to enable the housing unit to be testable for leaks through the valves. The water meter and backflow preventer combines backflow prevention integrated with an AWWA-approved water meter in one product having the same overall lay length as a current water...
Number of Test Ports 4 Connection Size - Side 1 1-1/2 in Connection Gender - Side 1 Female Connection Type - Side 1 NPT Connection Size - Side 2 1-1/2 in Connection Gender - Side 2 Female Connection Type - Side 2 NPT Mounting Orientation ...
backflow preventer回流防止器;防止回流设施 backflow同义词 n. 回流;逆流 reversed flow,regurgitation backflow_医学行业词汇 回流,反流:同regurgitation backflow_物理学行业词汇 取向致流[效应] [effect] 指向矢转动引起液晶流动的效应。 backflow词源英文解释
1000DCV 1005DCV 1010DCV 1000SS-DCV 6000HMB Watts.com TK-99E TK-7 TK-9A IBR Accessories Backflow Preventer Test Kits Backflow preventer test kits such as the TK-9A, TK-99E, and TK-7 are for testing backflow preventers such as pressure vacuum breakers, double check valve assemblies, and ...