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- boiler check valve 锅炉止回阀
- Check valve guiding shall be plastic to plastic. 止回阀引导装置应该是塑料对塑料。
- Remove check valve and valve seal from booster. 从倍力器上卸去逆止阀和阀门密封。
- Connect vacuum hose to booster check valve. 连接真空软管到增压器检测阀。
- To test for tightness of second check Valve. 检测第二止回阀的密封性。
- ANSI FLANGED SWING CHECK VALVE CLAS. 美标法兰止回阀。
- Reassemble the Check valve modules. 重新组装止回阀模块。
- Connect vacuum hose to booster check valve . 连接真空软管到增压器检测阀。
- Purpose: To test check valve No. 1 for tightness. 目的:检测止回阀1号的密封性。
- Sticky outlet check valve poppet. 1检查过滤的进水管线。
- CAUTION: The check valve spring is in compression. 警告：止回阀弹簧处于压缩状态。
- Water supplying pipe in front of the coal economizer should be installed with a stop valve and check valve for the factory using boiler of mother tube water supplying. 7采用母管制供水的电厂，进入每台锅炉省煤器前的给水支管均应装设截止阀与逆止阀。两阀应紧接，按水流方向逆止阀在前。
- When more than one boiler is connected to the main steam header, a stop check valve should be installed in the pipeline between each boiler and the header. 如果连接主蒸汽热水器的锅炉不止一个,则在每个锅炉与热水器之间的管路上都应该安装一个截止止回阀。
- Remove the four screws holding the first check valve cover. 拆卸固定第一止回阀阀盖的四个螺丝。
- A check valve may be required ahead of the backflow preventer. 此时在防回流阀前面可能需要安装一个止回阀。
- Service the second check valve using steps 2 through 12. 按照第2步至第12步维修第二止回阀。
- Use a check valve to prevent reverse flow into the cylinder. 采用止回阀,防止回流入钢瓶。
- Velan Small Forged Steel Check Valves. 锻造低温闸阀、截止阀和止回阀。
- FORGED STEEL PISTON CHECK VALVES. 锻钢活塞止回阀用于水平和垂直管道。
- Globe Stop Check Valves Major Features. 球形截止止回阀主要特点。
