The self - supported flow regulating valve can be approach to eliminate the water power maladjustment in city heat supply system meanwhile realize energy saving 供热系统中的水力失调与自力式流量调节阀的应用
2.
Zt - b series welding type vacuum flow regulating valve fulfills the flow adjustment purpose by changing the size of the pipeline inner sectional area Zt b型系列焊接式真空流量调节阀是改变管道内截面积大小达到调节流量目的。适用溴化理冷热机组管道。