Acetylene or LP Propane Gas Regulator AR-19 CGA 510 Inlet 2 1/2" Gauges Meco It is a right hand

It is a right hand female to "A" size right hand female

B-Size Outlet for Twin Welding Hose

Diameter: 95 mm

The 5/8-11 arbor doesn't back off and have to be retightened like the retaining nuts

2-5/16" Diameter

Acetylene or LP Propane Gas Regulator AR-19 CGA 510 Inlet 2 1/2" Gauges Meco It is a right handAcetylene or LP Propane Gas Regulator AR 19 CGA 510 Inlet 2 1 2" Gauges. This regulator does not work with Port A Torch tanks.  Outlet for B sized welding hose, the standard in welding hose fittings. Features: Forged Brass Body Brass adjusting screw for smooth adjustment. 2 1 2" easy to read single scale gauges. 0 400 Supply Pressure Gauge 0 30 Delivery Pressure Gauge