准/规范中文名: 压力表阀 标准/规范英文名: Pressure gauge valves 发布日期: 2008-10-01 标准状态: 现行 替代标准: 压力表阀 [ 标准号: CB 312-1975 ] 原文语种: 中文 译文语种:
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Before feeding water, air vent valves, pressure gauge valve, water level gauge, burner supply valve and steam supply valve should be opened fully. Other valves and checking manhole close.
上水时，空气阀、压力表阀及水位计通汽通水阀开足，其他阀门和检查门无孔门应一律关闭。
Needle valve pressure better than other valves, sealing performance, it is generally used for small flow, high pressure gas or liquid sealing medium, also used in conjunction with the pressure gauge.
针型阀比其他阀门更能受压，密封性能好，所以一般用于较小流量，较高压力的气体或者液体介质的密封，还可与压力表配合使用。
The Ecoserial device is a digital economiser with differential pressure gauge able to pilot until 204 valves by connecting itself to a pneumatic driving module RPB with only two threads.
节能控制仪是一数码并内置有压差器的脉冲阀控制仪，最多能控制到204个脉冲阀，而这也只要用两根管子与RPB先导阀盒组串连起来就可以达到。
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