Zeusfaber, I have examined under low power magnification the oring. No damage is visible, but I am not ruling it out. I chose 90 durometer urethane for the seat as I did want something that was slightly conformal, but that would be tough enough to withstand the cold temps. Any other suggestions...
I have been designing and prototyping a small pressure regulator to handle CO2 from standard small gas cartridges. The regulator is made of GF nylon 6/6 and is currently of the balance piston style. I am looking to regulate the 850 psi cartridge pressure to values between 5 and 40 psi. I seem...
