Western Enterprises QDB302/QDB303 Brass Quick Connect Set - Inert Gas, Regulator-to-Hose, 5/8"-18 RH

Western Enterprises QDB302/QDB303 quick connects deliver secure, fingertip-operated connections between regulators and hoses in inert gas welding applications. This brass construction set features a male plug (QDB302) and female socket (QDB303) designed specifically for 5/8"-18 RH threaded B-size welding equipment.

The spring-loaded locking mechanism achieves gas-tight connections with simple fingertip pressure, while the double seal socket connection provides enhanced safety protection. Color-coded blue for inert gas service prevents cross-contamination with oxygen or fuel gas systems.

• Material: Brass construction for extended service life
• Thread Specification: 5/8"-18 RH
• Maximum Operating Pressure: 200 PSIG
• Gas Service: Inert gas applications
• Flow Capacity: Exceeds CGA specifications at 125 PSIG inlet pressure
• Locking Mechanism: Spring-loaded for secure connection
• Sealing: Double seal socket design
• Certification: UL Listed
• Compatibility: B-size welding equipment

Compatible Components

• QDB300 — Male Plug Component
• QDB301 — Female Socket Component
• QDB33 — Complete Regulator-to-Hose Set
• QDB730 — KwikLok Female Socket
• QDB73 — KwikLok Regulator-to-Hose Set
• QDB740 — KwikLok Hose-to-Machine Socket
• QDB74 — KwikLok Hose-to-Machine Set

The demand valve feature creates a positive seal when the fitting is disconnected, preventing gas waste and maintaining system integrity. Ideal for TIG welding setups and plasma cutting systems requiring reliable inert gas connections between regulators and supply hoses.