The Western Enterprises 663 (312-2050) is a robust B2B gas welder fitting engineered for secure, high-pressure oxygen delivery. This precision-machined nipple is crucial for integrating oxygen cylinders into industrial welding and gas distribution systems.
Key Specifications and Features:
– Material Construction: Features a machined brass body that resists corrosion, ensuring durability and longevity in demanding industrial environments. All brass nuts are precision-machined to CGA specifications and designed with wrench flats for reliable, secure connections.
– High-Pressure Rating: Engineered for high-pressure oxygen applications, capable of handling up to 3000 psi (pounds per square inch) to maintain system integrity under stringent operating conditions.
– Precision NPT Threading: Incorporates precise 1/4 inch National Pipe Thread (NPT) threading, specifically designed to establish a stable, high-pressure seal essential for safe oxygen service.
– Optimized Dimensions: Maintains a specific 2 1/2 inch length, contributing to secure and stable connections within critical gas delivery setups.
– CGA-540 Oxygen Compatibility: Specifically suitable for seamless integration with CGA-540 Oxygen Cylinders, ensuring compliant and safe operation within established oxygen systems.


