Automatic Reverse-flow Prevention Coupling Plug for Oxygen – M16 x P1.5 Female Thread

This automatic reverse-flow prevention coupling plug is designed specifically for oxygen service in welding and cutting systems. It connects pressure gauges to hoses and mounts on outlet pipes, hose connections, or welding/cutting equipment outlets, eliminating potential hazards during gas welding and cutting operations. The spring-loaded locking mechanism enables single-action connect/disconnect, minimizing hose damage and simplifying maintenance.

Constructed with a chrome-plated brass body and a chrome-plated steel plug, this coupling plug is engineered for durability and corrosion resistance in marine environments. It operates at a working pressure of 0.7 MPa (7 kgf/cm²) with a proof pressure of 1.0 MPa (10 kgf/cm²). The NBR seal ensures reliable performance across a temperature range of -20°C to +80°C. The M16 x P1.5 female thread provides a secure connection for oxygen systems, preventing cross-connection and enhancing safety.