Disclosed is a cover member for the operation part of a closing valve or the opening part of a branch joint of a refrigerating apparatus.
本发明涉及一种冷冻装置的闭锁阀的操作部或分支管的开口部所用的盖部件。
Rotate the emergency closing valve positive and negative continuously twice so as to solve the safety problem, it is easy to operate, faster and non-slam.
采用该应 急阀,只须连续正反两次转动即可解决安全问题,操作简单、快捷、无撞击。
The pressurization of the servocontrol involves the opening of the pressure-line closing valve (2) and of the return-line closing valve (3).
进行压力伺服控制的正常过程包括,打开压力管路关闭活门和回油管路关闭活门。
The pump is removable from the frame, and has a self closing valve to block leakage from the tank (140) when removed from the frame.
贮罐(140)可以框架中取下,并具有自闭阀,以便在贮罐从框 架上取下时阻止贮罐(140)泄漏。
The water hammers due to closing valve or stopping pump in the UF system was analyzed. The corresponding preventive measures are put forward.