HIP

Metal pipe components used for plumbing, namely, manually operated valves, fittings, check valves, safety heads, rupture discs, unions, bulkheads, caps, nipples, adapters, elbows, tees, crosses, anti-vibration gland fittings for assembly into pipelines, couplings and joints, all of the aforementioned in metal and metal tubing

Air operated and hydraulically operated automatic valves and pressure gauges

Autoclaves; and line filters, namely, fluid filters for use in metal pipes