Western Enterprises QDB20 Quick Connect Set Hose-to-Hose Brass with Check Valves Fuel Gas/Oxygen

Western Enterprises QDB21/QDB22 quick connect set delivers secure, fingertip-operated hose-to-hose connections for B-size welding and cutting equipment. This brass construction set includes both fuel gas and oxygen connectors with integral reverse flow check valves for enhanced safety.

The non-interchangeable design prevents accidental gas mixing, while the spring-loaded locking mechanism creates gas-tight seals with minimal effort. Each connector features instant closure check valves that provide total shutoff at just 10 oz. of back pressure, ensuring reliable operation in demanding shop environments.

• Material: Brass construction for extended service life
• Connection Type: Hose-to-hose with 9/16"-18 threading
• Gas Service: Dual service for fuel gas and oxygen
• Includes: QDB21 fuel gas connector and QDB22 oxygen connector
• Check Valves: Integral reverse flow protection on both connectors
• Operating Pressure: 200 PSIG maximum
• Flow Capacity: Exceeds CGA specifications at 125 PSIG inlet pressure
• Certification: UL Listed
• Compatibility: B-size welding and cutting equipment

Compatible Components

• QDB201 — Female socket for fuel gas applications
• QDB205 — Male plug for fuel gas hose connections
• QDB101 — Female socket for oxygen applications
• QDB105 — Male plug for oxygen hose connections
• QDB551 — KwikLok female socket for fuel gas (OSHA compliant)
• QDB550 — KwikLok female socket for oxygen (OSHA compliant)

This quick connect set streamlines hose changes and equipment connections while maintaining the safety standards required for oxy-fuel operations. The color-coded design (red for fuel gas, green for oxygen) provides visual confirmation of proper gas service identification.