5 per 100 psi drop in cylinder pressure. Note : The standard cubic foot per hour flows are obtained with the regulator outlet full open with no restrictions; using a preset outlet pressure and with a decreasing cylinder pressure. PSIG - pounds per sq.CGA Inlet Fitting: ACETYLENE 2000. --Forged brass body ---Polished chrome bonnet ---Easy-to-read single scale 1½" gauges ---1-5/8" tri-layered reinforced neoprene diaphragm ---Mechanical stem type seat ---Porous metal inlet filter ---Rear inlet cylinder connection ---Forged brass adjusting screw with locking retaining ring ---Blow off disc type pressure relief for low pressure gauge protection only ---UL Listed Maximum Inlet 3000 PSIG Dimensions: Depth: 4½", Width: 4-1/4", Height: 4, Weight: 2 lbs. Note: The standard cubic foot per hour flows are obtained with the regulator outlet full open with no restrictions; using a preset outlet pressure and with a decreasing cylinder pressure. Gauge SCFH - standard cu. The item "UNIWELD REGULATOR ACETYLENE A Hose Connection #RMC2, Welding Brazing Gauges" is in sale since Monday, April 22, 2019. This item is in the category "Business & Industrial\CNC, Metalworking & Manufacturing\Welding & Soldering Equipment\Welding Equipment & Accessories\Gas Regulators, Valves & Accessories". The seller is "john102561" and is located in Hartford, Wisconsin. This item can be shipped to United States.