Keep return piping valve closed until trap fills with condensate. Slowly open valve.
保持回路管道阀门处于关闭状态直到疏水阀充满冷凝物为止。慢慢开启阀门。
Can be installed check valve or custom comes with a return function of the valve.
可安装止回阀或订制自带止回功能的阀门。
The transfer line should be equipped with a non-return valve or other suitable alternative.
转移管线上须配备止回阀之类的装置。
Regulator valve and return to heat pipe will solve this problem.
稳压阀和回热管将解决这一问题。
Can be installed or custom built non-return valve function of the valve.
可安装止回阀或订制自带止回功能的阀。
Can be installed or custom built non-return valve function of the valve.
可安装止回阀或订制自带止回功能的阀。
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