Are all Pro Valve inserts the same???

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noj3333

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I have an OMS valve on a tank that I 'believe' is a pro valve. The valve didn't come with an insert (used tank), however on the back of the valve there's a dimple where a yolk screw would seat itself.

Would a dimple on a DIN vale mean it's actually a convertible style valve? If so can I use any insert (DGX for example) in the OMS valve, or does the insert have to be an OMS insert?
 
DIN valve are standard size so any insert will fit in. The only difference usually is the size of the Allen key needed. Obviously that's for a 200 bar DIN not 300.
 
what @RainPilot said. DIN defines a thread pattern, 200bar and 300 bar define the number of threads on the valve, 5 vs 7. Since all pro valves are 200 bar, they should be identical and accept any insert. Only difference as mentioned will be the allen key size, in which case it is probably advantageous to use an existing insert you have in order to minimize the risk of having to use a different allen key
 
please post a picture next to another of your tanks, or remove one of your other inserts if you have one and make sure it sits flush before you order. All of my 300bar OMS valves have dimples on the back, and I think all of the rest of the 300 bar valves do as well, so the dimple isn't an indicator.
 
It was in fact a pro valve. I was able to get an insert and it worked just as any yolk valve should.
 

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https://www.shearwater.com/products/teric/

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