manual balancing valves 静态平衡阀
automatic balancing valves 自动流量平衡阀
Nibco Circuit Balancing Valves 美国尼必可消防阀门
Dynamic Balancing Electric Valves 电动动态平衡调节阀
The purge and balancing valves shall be a Watts Regulator Company model PB-56.
这种排气平衡阀应该是美国瓦茨调节阀公司型号PB - 56产品。
Most Balancing Valves are globe style and incorporate a parabolic (plug) shaped disc.
大部分平衡阀采用截止阀结合抛物线(插塞)阀瓣。
The flow rate of dynamic flow balancing valves has been set before leaving the factory, therefore adjustment is not needed in the field.
动态流量平衡阀的流量在出厂前根基系统流量进行定制，现场不需要进行任何调试。
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