| Model Code | Model Description |
| AA | Gas Type:Acetylene, Outlet Pressure:2.0 psig [Min], 15.0 psig [Max], Inlet Connection:CGA 300, Outlet Connection:5/8 in - 18 RH(F) |
| AB | Gas Type:Acetylene, Outlet Pressure:2.0 psig [Min], 15.0 psig [Max], Inlet Connection:CGA 510, Outlet Connection:5/8 in - 18 RH(F) |
| AC | Gas Type:Air, Oxygen, Inert Gas, Outlet Pressure:10.0 psig [Min], 200.0 psig [Max], Inlet Connection:CGA 540, Outlet Connection:9/16 in - 18 (M) |
| AD | Gas Type:Air, Oxygen, Inert Gas, Outlet Pressure:10.0 psig [Min], 200.0 psig [Max], Inlet Connection:CGA 580, Outlet Connection:5/8 in - 18 RH(F) |
| AE | Gas Type:Air, Oxygen, Inert Gas, Outlet Pressure:5.0 psig [Min], 125.0 psig [Max], Inlet Connection:CGA 540, Outlet Connection:9/16 in - 18 (M) |
| AF | Gas Type:Air, Oxygen, Inert Gas, Outlet Pressure:5.0 psig [Min], 125.0 psig [Max], Inlet Connection:CGA 580, Outlet Connection:5/8 in - 18 RH(F) |
| AG | Gas Type:Air, Oxygen, Inert Gas, Outlet Pressure:5.0 psig [Min], 125.0 psig [Max], Inlet Connection:CGA 590, Outlet Connection:5/8 in - 18 LH(F) |
| AH | Gas Type:Air, Outlet Pressure:5.0 psig [Min], 125.0 psig [Max], Inlet Connection:CGA 346, Outlet Connection:9/16 in - 18 (M) |
| AI | Gas Type:Carbon Dioxide, Nitrous Oxide, Outlet Pressure:5.0 psig [Min], 125.0 psig [Max], Inlet Connection:CGA 320, Outlet Connection:5/8 in - 18 RH(F) |
| AJ | Gas Type:Methane, Inert Gas, Outlet Pressure:10.0 psig [Min], 200.0 psig [Max], Inlet Connection:CGA 350, Outlet Connection:9/16 in - 18 (M) |
| AK | Gas Type:Methane, Inert Gas, Outlet Pressure:5.0 psig [Min], 125.0 psig [Max], Inlet Connection:CGA 350, Outlet Connection:9/16 in - 18 (M) |