Automatic Reverse-flow Prevention Couplings
$7.84
- These couplings are fitted to the outlet pipe, connecting hose, and the welding/cutting machine and outfit, removing possible risks accompanying the gas welding/cutting operation and making preparation and maintenance of the welding/cutting machines easy.
- Each type is specially designed for oxygen or fuel gas so as to prevent mistakes.
- A spring-loaded locking method is used,fitting or removal is a single action, which minimizes hose damage and makes maintenance easy.
Size Chart
| IMPA Code | Model | Type | Size | Gas |
| 850301 | AS-1 | Socket | 1/4″Hose End | OX |
| 850302 | AP-1 | Plag | 1/4″Hose End | |
| 850303 | GS-1 | Socket | M16x P1.5 Female Thread | |
| 850304 | OP-1 | Plag | M16x P1.5 Female Thread | |
| 850306 | AS-2 | Socket | 3/8″Hose End | AC |
| 850307 | AP-2 | Plag | 3/8″Hose End | |
| 850308 | GS-2 | Socket | M16 x P1.5 Female Thread | |
| 850309 | OP-2 | Plag | M16 x P1.5 Female Thread |
For Hose to Hose Connections
| Gas | Size | Socket,Hose End | Plug.Hose End |
| Oxygen | 1/4” Hose End | AS-1 | AP-1 |
| Acetylene | 3/8” Hose End | AS-2 | Ap-2 |
For Gauge to Hose Connections
| Gas | Size | Socket,Female Thread | Plug.Hose End |
| Oxygen | M16×P1.5 & 1/4”Hose End | GS-1 | AP-1 |
| Acetylene | M16×P1.5 & 3/8″ Hose End | GS-2 | AP-2 |
For Welding Machine/cutting Machine to Hose Connections
| Gas | Size | Socket,Hose End | Plug.Female Thread |
| Oxygen | 1/4″ Hose End & M16×P1.5 | AS-1 | OP-1 |
| Acetylene | 3/8” Hose End & M16×P1.5 | AS-2 | OP-2 |
| Code | 850301, 850302, 850303, 850304, 850306, 850307, 850308, 850309 |
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