Airgas Model E444B590 Stainless Steel High Purity Two Stage Positive Seal Regulator With 1/4" FNPT Connection High Flow Pressure single-stage

single-stage

Heavy duty zipper on Aramid tape

and semiconductor processing

The optional bonnet vent adapter allows venting of hazardous gases in the event of diaphragm failure

provides precise pressure control from full cylinder to almost empty

Airgas Model E444B590 Stainless Steel High Purity Two Stage Positive Seal Regulator With 1/4" FNPT Connection High Flow Pressure single-stageThese 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