Western Enterprises QDB11 Torch-to-Hose Quick Connect with Reverse Flow Check Valve - Fuel Gas, Brass, 9/16"-18 LH

Western Enterprises QDB200/QDB201 quick connect fittings deliver reliable, fingertip-controlled torch connections for fuel gas systems with integrated reverse flow protection. These brass-constructed connectors feature color-coded identification and non-interchangeable design to prevent accidental gas mixing in welding and cutting operations.

Built for demanding shop environments, these quick connects exceed CGA flow specifications with 1100 SCFH flow capacity at 125 PSIG inlet pressure. The spring-loaded locking mechanism achieves gas-tight connections with simple fingertip pressure, while the integrated reverse flow check valve provides instant closure at just 10 oz. of back pressure for enhanced safety.

• Material: Brass construction for extended service life
• Connection: QDB200 Male Plug, QDB201 Female Socket
• Gas Service: Fuel gas applications
• Thread: 9/16"-18 LH (left-hand thread)
• Maximum Operating Pressure: 200 PSIG
• Flow Capacity: 1100 SCFH at 125 PSIG
• Safety Features: Reverse flow check valve, double seal socket connection
• Certification: UL Listed
• Cycle Life: Tested over 10,000 operations

Compatible System Components

• QDB10 — Complete Torch-to-Hose Set (Fuel Gas and Oxygen)
• QDB11 — Individual Fuel Gas Torch-to-Hose Unit
• QDB21 — Fuel Gas Hose-to-Hose Unit
• QDB205 — Male Plug for Hose-to-Hose Applications
• QDB31 — Fuel Gas Regulator-to-Hose Unit
• QDB206 — Female Socket for Regulator-to-Hose
• QDB401 — KwikLok Fuel Gas Torch-to-Hose with Sleeve Lock
• QDB551 — KwikLok Female Socket with Sleeve Lock Feature

Ideal for B-size welding and cutting equipment requiring reliable fuel gas connections. The non-interchangeable design and color-coding system provides added safety protection against accidental oxygen-fuel gas mixing in professional welding environments.