G-RING

Metal pipes and tubes; metal pipe joints; metal tube and pipe joining attachment; metal pipe fittings; metal pipe elbow, tees, straps, reducers and stands; metal caps for pipes; metal pipe couplings, namely, grooved and press fit couplings, high-pressure couplings, reducing couplings, flexible couplings, rigid couplings, plain end couplings, transition couplings, flange couplings, mechanical outlet couplings; metal coupling nuts and bolts; metal pipe collars; metal drill collars; metal flange adapters; metal valves and accessories not being parts of machines, namely, butterfly valves, check valves, ball valves, flow control valves, circuit balancing valves