SpudFiles

While randomly searching Ebay i found these valves. Might be useful to some of you guys.

DELTROL QUICK EXHAUST VALVE EV30A2 1/2" NIB

SMC # NAR825 N14 1-1/2" PNEUMATIC VALVE, NEW

SMC PNEUMATIC VALVE MODEL # NAR825-N14 NEW

WI-339 SCHRADER BELLOWS 300779000 14 UNITS OF VARIOUS

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Oh well it looked like a giant metal sprinkler valve. Are the schrader bellows QEV's? They look like it but some don't.

It's a name I've never heard them called before but they fit the physical layout and general appearance of a diaphragm QEV.

Yes, Schrader Bellows makes QEVs, so that has to be what they are. I actually own a couple SB made valves. They are very well built, so for now, that auction is a steal.