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cheap solenoid valve

Posted: Wed Jan 10, 2018 11:25 am
by JoseRey
Has anyone tried this cheap solenoid valves

https://www.amazon.com/Brass-Solenoid-N ... B01E0NRW30

to hold vacuum for some minutes

i don't expect much from them, but they may be worth a try


Thanks

Re: cheap solenoid valve

Posted: Wed Jan 10, 2018 8:56 pm
by ian_krase
Almost certainly requires high pressure in one direction to make the valve open. Not really useful for vacuum.

Re: cheap solenoid valve

Posted: Thu Jan 11, 2018 4:21 am
by Jerry Biehler
It does not look pilot actuated. It might work. There are electric solenoid valves with kf fittings, I have one in KF16.

Re: cheap solenoid valve

Posted: Thu Jan 11, 2018 2:20 pm
by JoseRey
Jerry Biehler wrote:
Thu Jan 11, 2018 4:21 am
It does not look pilot actuated. It might work. There are electric solenoid valves with kf fittings, I have one in KF16.
I know, but they are much more expensive

Re: cheap solenoid valve

Posted: Tue Feb 13, 2018 9:42 am
by Fusion
This one (10$) said works in vacuum:
https://www.amazon.com/4inch-Normally-C ... cuum+valve

Image

Advises works in zero differential pressure.

This also as advises in the sticker:

https://www.amazon.com/Electric-Plastic ... m+solenoid