Solenoid that doesnt close properly

[MooseOnDaLoose]

Hi

I bought a happy smiley corp solenoid off ebay however it doesnt close properly. I seem to leaking about a bubble every ten seconds. In a large tank that wouldn't be a problem however this is on my fluval chi so water params are somewhat less forgiving.

Is there anything I can do or is it knackered?

Cheers,

Si

 

[zozo]

The solenoid is spring loaded, you could carefully open it stretch the spring and reassamble it.. In most cases this solves the problem. If not inspect the o-ring on the piston. If you are not confident enough to do this, buying a new one is the next best option.

 

[MooseOnDaLoose]

Cool, I think the ebay chap is going to send a replacement but in the meantime I'll give that a go.

Thanks Zozo

 

[MooseOnDaLoose]

I've had it apart and stretched the spring, also had a look at the o ring and it seems a good fit so I've asked for a replacement from ebay (it can always go on the other tank when thats setup) and also ordered a solenoid from co2art.

 

[matnose17]

Hi MooseOnDaLoose,

I was wondering which solenoid you ordered? I'm thinking of building a co2 system that automatically turns off at night. I'm going to use a timer and a solenoid valve.
There are so much solenoid valves available. But I think I have to use a plastic valve.
I'm afraid the solenoid valve will leak co2 during the night. Do you have any experience with that?

I was thinking maybe this valve will do the job.
https://tameson.co.uk/solenoid-valv...d-valve-2way-014inch-nylon-0p2-10bar-nbr.html

 

[MooseOnDaLoose]

So it turned its pressure related. On DIY co2 there doesnt seem to be enough pressure for the chinese knock off so they dont close properly.

At 2.5+ bar pressure they work ok, under that they leak. I've now moved to a soda stream setup from co2 supermarket and it seals properly and quickly