The difference between normally open solenoid valve and normally closed solenoid valve is explained

Normally open solenoid valve and normally closed solenoid valve between the two is still a big gap, from the name of the two can see the difference, the two are very different in use and effect, but in the model and purchase or together, after all, is the diametric opposite of the two products.

The difference between normally closed and normally open solenoid valve and selection

According to the length of continuous working time, we can choose normally closed and normally open type.

1, the solenoid valve must be closed for a long time, and in the closed time more than the open time. And the duration is also very long, piston type normally open solenoid valve if the time is not long, you can choose the normal.

2, in the case of a long time to open and a long time to close, you should choose the self-control solenoid valve, that is, normally open and normally closed.

3, when the normally closed one-way solenoid valve for a long time in the open state, and in the closed state, and continued open state, not long, you can choose the normal mode.

4, or for gas alarm, you should choose the normally open gas emergency circuit breaker with manual open function.

5, but some cases need to be safety protection, such as furnace, kiln fire detection, you can not choose the normally open type, to choose can be used for a long time.

6, if the opening and closing time is very long, or a long time, then it is the holding type solenoid valve, that is, normally open and normally closed solenoid valve.

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