AIRCO

GAS PRESSURE REGULATORS; HAND OPERATED GAS OR LIQUID CONTROL VALVES; MANIFOLDS FOR DISTRIBUTING GASES; PILOT VALVES; DIAPHRAGM VALVES; SAFETY DEVICES-NAMELY, FLASHBACK ARRESTERS USED TO PREVENT BURNING OF GASES WITHIN A GAS TORCH, CHECK VALVES, RELIEF VALVES, WATER INTERLOCKS, AND BURSTING DISK ASSEMBLIES; HOSE COUPLINGS; FITTINGS AND NOZZLES; GAS ECONOMIZERS USED IN SHUTTING OFF FLOW OF GAS IN WELDING AND CUTTING APPARATUS; GROMMETS; CLAMPS IN THE NATURE OF FIXTURES; AND HYDRAULIC BACK PRESSURE CHAMBERS