Changing solenoid valve from normally open to normally closed

hey all,

i have bought rotex 20201 solenoid valve which is normally open and i wanted to change it to normally closed. Actually out of 3 ports, 1 port is made dummy to make it normally open. So can we change the dummy to other port to make it normally closed solenoid valve? Please do help me out with this.

Thanks in advance

Top Replies

robogary over 1 year ago in reply to Gwani +2

ahhhhhh, be careful of what happens on power loss
Fred27 over 6 years ago +1

The only answer is to take it apart carefully and try it out. With this sort of this you normally find it is either very easy or very difficult.
BigG over 6 years ago +1

You have to think about what happens when the valve has no power. In your case when there is no power it is Normally Open. When you energise, something happens to close the valve. In the case of solenoids…

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Gwani over 1 year ago

You can wire the coil through the normally closed contacts of an additional normally closed relay.
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Gwani over 1 year ago

You can wire the coil through the normally closed contacts of an additional normally closed relay.
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robogary over 1 year ago in reply to Gwani

ahhhhhh, be careful of what happens on power loss
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