WESQDB33 - Western Enterprises QDB33 Inert Gas Quick Connect Set with Check Valve

Technical Overview of the Western Enterprises QDB33

The Western Enterprises QDB33 is a precision-engineered Quick Connect set designed specifically for inert gas applications in industrial welding and laboratory environments. This assembly facilitates the rapid connection and disconnection of gas hoses from regulators without the need for wrenches or thread sealing tape, streamlining operational workflows. The set is configured for "Regulator-to-Hose" applications and utilizes standard B-Size 9/16"-18 UNF Right Hand threads, ensuring compatibility with the vast majority of North American inert gas equipment.

Constructed from high-quality brass, the QDB33 offers superior corrosion resistance and durability, essential for maintaining gas integrity over a long service life. A key technical feature of this unit is the integrated reverse flow check valve. This safety mechanism provides instant closure in the event of back pressure, effectively preventing the reverse flow of gases which could otherwise lead to contamination or safety hazards. The coupling mechanism employs a double seal socket connection, ensuring a gas-tight seal even under the maximum rated pressure of 200 PSIG.

Safety is further enhanced through a color-coding system that visually identifies the fitting for inert gas service, thereby reducing the risk of accidental cross-connection with oxygen or fuel gas lines. The spring-loaded locking collar is designed for tactile feedback and ease of use, allowing operators to secure or release the connection with a simple fingertip action. The QDB33 set includes both the male plug (QDB300) and the female socket (QDB301), providing a complete solution for one connection point. This product is UL Listed and manufactured in the United States, adhering to strict quality control standards.