The SR4 regulators are designed for heavy duty applications and for larger cylinders and ideally suited for pressure vessel testing. Heavy duty, high pressure piston regulator. Ideally suited for pressure vessel and dead-end testing. Delivery pressures up to 4500 psig on some models. All SR 4 series regulator models may be panel mounted. (1.75 Inch (44.5 mm) hole required in panel for mounting) For a flush panel mount installation order one panel mount nut 1409-0093. For an adjustable panel mount installation order two panel mount nuts 1409-0093

• Machined brass body and housing cap
• Cartridge type seat assembly with PCTFE seat
• Delrin cap bushing for smooth adjustments
• Hydrogen models have ventable relief valves
• Sintered inlet filter, bronze
• External adjustable relief valves on F and G range models
• Model number SR4F-580

Victor® 0781-1408 SR 4 Series Professional Regulator, Heavy-Duty High Pressure, Gas Type: Inert, Gauge Range: Inlet: 4000 psig, Outlet: 1000 psig, Inlet Pressure: 3000 psig, Outlet Pressure: 50 - 750 psig, Inlet Connection: CGA 580, Outlet Connection: 1/4 Inch, Flow Coefficient (Cv): 0.1147, Mounting: 1-3/4 Inch Hole Panel, Machined Brass, Brass, 6 Inch Length x 6-1/4 Inch Width x 6-1/2 Inch Height