18X19 - ESAB Oxygen Adapter - B-Size Male to C-Size Female (18X19)

Technical Overview of the ESAB 18X19 Oxygen Adapter

The ESAB 18X19 is a specialized gas service adapter designed to bridge the gap between different classes of oxy-fuel fittings. Specifically engineered for Oxygen service, this component facilitates the connection between equipment utilizing C-Size (7/8"-14 thread) interfaces and standard B-Size (9/16"-18 thread) connections. The adapter features a B-Size Male end and a C-Size Female end, allowing it to screw onto C-Size Male outlets—commonly found on high-capacity station drops, heavy-duty regulators, or manifold systems—and present a standard B-Size Male thread for the attachment of standard welding hoses.

Manufactured from high-quality brass, the 18X19 adapter offers excellent resistance to corrosion and mechanical deformation, ensuring a long service life even in rigorous industrial environments. The brass construction is compatible with oxygen service, minimizing the risk of ignition associated with incompatible materials. The threads are precision-cut to meet CGA (Compressed Gas Association) standards, ensuring a tight, leak-proof seal when properly torqued. As an Oxygen fitting, it utilizes Right-Hand (RH) threads, adhering to safety standards that distinguish fuel gas fittings (Left-Hand) from oxidizer fittings (Right-Hand) to prevent dangerous cross-connections.

In industrial MRO (Maintenance, Repair, and Operations) settings, this adapter is an essential inventory item for facilities managing diverse welding stations. It allows for the standardization of downstream equipment (hoses, torches) while maintaining robust, high-flow upstream infrastructure. The hexagonal body profile permits the use of standard adjustable or open-end wrenches for installation, ensuring that technicians can securely tighten the fitting to specification without specialized tools.