Comments: When using diaphragm valves or any valve with a soft seat material in a service where corrosion products can be produced, it is very important to take precautions to prevent those reactions.
评论：当在可能产生腐蚀产物的设施处使用隔膜阀或任何带有软阀座材料的阀门时，采取防范措施来防止那些反应是非常重要的。
Control supply line water pressure. install a soft seated spring loaded check valve upstream of the assembly.
控制供应管道的水压。在总成的上游安装一个软阀座，弹簧负载止回阀。
Soft airproof main valve can obtain high airproof in the scope of over 95% lift pressure.
软密封的主阀瓣能在95%以上的开启压力范围内获得高密封度。
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