Western Enterprises 312-QDB12 Torch-To-Hose W-Check Valve, Western Enterprises, Mfr#: 312-QDB12

Brass construction provides long service life . Non-interchangeable oxygen and fuel gas connectors . Instant closure on reverse flow check valves . Spring-loaded locking mechanism responds to fingertip action and achieves a gas-tight connection . Double seal socket connection on second seal