Pressure Regulator; Type 1-Stage, 1-Piece Encapsulated Seat, Heavy Duty; End Connection 540 CGA x 9/16 Inch-18 Right Hand; Pressure Gauge Included Yes; Body Material Brass; Diaphragm Material Neoprene; Inlet Pressure 3000 PSIG; Gauge Size 2-1/2 Inch Dual Scale; Material Brass (Gauge), PTFE Non-Stick (Seat); Gas Type Oxygen; Pressure Rating 4000 PSIG (Supply Gauge); Cv Rating 0.17; Applicable Standard UL, CGA E-4

Single-Stage Industrial Regulator with Premium Features; Designed for Rugged, Long Lasting Performance; Easy-To-Operate Brass "T" Screw Adjusting Handle; Brass Body and Bonnet for Longer Service Life; Neoprene Diaphragm for Improved Pressure Control; 2.5 Inch Brass Dual Scale Easy-To-Read Gauges; 1-Piece Encapsulated Seat Design with Internal Filter to Protect the PTFE Non-Stick Seat from Particulate Contamination; Equipped with a Tamper-Proof, Self-Reseating Internal Safety Relief Valve