Airgas Model E444D580 Stainless Steel High Purity Single Stage Positive Seal Regulator With 1/4" FNPT Connection shoptok Regulators are adjusted easily by

Regulators are adjusted easily by removing the knurled nut and turning the screw to alter the tension on the diaphragm

Size: 51" X 18" X 6 1/2"

The needle valve model has the valve built into the regulator body reducing the gas path

Size: 8 1/8" X 5 1/2" X 5 3/4"

These regulators also have a check valve cylinder connection that prevents contaminates from entering during cylinder changeover

Airgas Model E444D580 Stainless Steel High Purity Single Stage Positive Seal Regulator With 1/4" FNPT Connection shoptok Regulators are adjusted easily byThese single 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