Metal pipes and metal fittings therefor; metal pipe supports; metal couplings, namely, couplings for fire hoses, grooved couplings, high-pressure couplings, reducing couplings, flexible couplings, rigid couplings, plain end couplings, transition couplings, flange couplings, [ mechanical outlet couplings all for use with hydraulic and pneumatic systems; ] metal coupling nuts and bolts; metal pipe collars; metal drill collars; metal grooved flange adapters; [ metal valves not being parts of machines, namely, butterfly valves, grooved check valves, ball valves, flow control valves, circuit balancing valves; ] metal fasteners, namely, nuts, bolts, screws, anchors, washers, threaded rod connectors, support brackets, clips, clamps and bands, all of the foregoing made of metal and all for industrial use

Automatic valves and electric actuators therefor; electric valve actuators for use with automatic valves

Non-metal flexible pipes and fittings therefor, all for use with, or being parts of, fire-extinguishing systems; non-metal couplings, namely, couplings for fire hoses, grooved couplings, high-pressure couplings, reducing couplings, flexible couplings, rigid couplings, plain end couplings, transition couplings, flange couplings, mechanical outlet couplings all for use with hydraulic and pneumatic systems; non-metal washers of rubber or vulcanized fiber; valves of rubber or vulcanized fiber, not including machine elements, namely, butterfly valves, grooved check valves, ball valves, flow control valves, circuit balancing valves; non-metal pipe stands, namely, insulated pipe supports; non-metal grooved flange adapters; non-metal pipe caps; pipe gaskets; rings of rubber for use as pipe connection seals; non-metal fasteners, namely, washers made of rubber or vulcanized fiber; non-metal threaded rod connectors; rubber bands for industrial use