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The check valve cylinder connection prevents air and contaminants from entering the gas stream during cylinder changeout
stable delivery pressure and is capable of withstanding internal vacuum purging
Made to order: may require longer lead time
Because delivery pressure of acetylene should not exceed 15 psig
convoluted Hastelloy C-22 diaphragm provides good regulating performance and maximum purity integrity without the need for a soft seal
Airgas Model E444B590 Stainless Steel High Purity Two Stage Positive Seal Regulator With 1/4" FNPT Connection High Flow Pressure The check valve cylinder connectionThese two stage positive seal regulators feature convoluted, Hastelloy C 22 diaphragms that provide maximum sensitivity, minimum droop and a leak tight bonnet seal. Type 316 stainless steel internal components are ultra sonically cleaned and electropolished to a 32 Ra surface finish for applications where a contamination free flow stream is critical. Optional 15 Ra electropolished with faceseal. A rugged, mechanical linkage connecting the diaphragm