The TK-DL can test pressure vacuum breakers, reduced pressurebackflow preventers or double check valve assemblies.
TK - DL可以检测压力真空断路阀，减压防回流阀或双止回阀总成。
2
Designed to test pressure vacuum breakers, reduced pressurebackflow preventers or double check valve assemblies, allowing you to eliminate both pressure and differential test gauges.
适用于检测压力真空断路阀，减压防回流阀或双止回阀总成，不再需要压力表和压差表。
3
Now, with so many foreign firms accumulating so much RMB, pressure is building to establish RMB backflow channels and an RMB offshore market.