HY-LOK TUBE FITTINGS

ball valves, globe valves, needle valves, instrument valves, check valves, gauge route valves and precision metering valves all being wholly or principally of metal and all being manually operable; manifolds for the aforesaid valves all being wholly or principally of metal; fittings for pipes, hoses and tubes, all being wholly or principally of metal; joining pieces for pipes, hoses and tubes, all being wholly or principally of metal; pipe, hose and tube glands, all being wholly or being principally of metal

ball valves, globe valves, needle valves, instrument valves, check valves, gauge route valves and precision metering valves all being wholly or principally of metal and automatically operable