Exotic alloy cartridge check valves

[Tuckabag]

Can anyone point me in the direction of manufacturers of small (<1/2" dia) cartridge check valves in exotic alloys (C276, Alloy400, etc)?
Our usual suppliers can produce 304/316SS ones no problems, but the exotics are much more difficult to find.
Thanks.

 

[The Obturator]

Tamo.co.uk claim they can do.
Possibly
weh.com
dynamiccontrols.co.uk

Think that it's a quantity amount that would interest them.

Per ISO, only the term Safety Valve is used regardless of application or design.

 

[Tuckabag]

Thanks, I'll touch base with those companies and see if they are interested in making them in limited #'s.
Cheers.