Shimizu Iron Works

Shimizu Iron Works, Co., Ltd. (Shimizu Tekkousho) is a Japanese waterworks valve manufacturer positioning itself as a top maker in its field. Its product information covers soft-seal gate valves, including models with opening indicators, earthquake-resistant NS types, and versions for polyethylene and PVC pipes, together with ductile iron gate valves for waterworks, butterfly valves, air valves, fire hydrants, repair valves, emergency shut-off valves, and check valves.

The company has obtained ISO certification and supports engineers with drawing data downloads for its products. Among its highlighted developments is a completely power-free emergency shut-off valve of the Draw Valve D+law type, which operates without electricity during earthquakes or pipeline accidents, including excess flow anomalies. Shimizu Iron Works exhibits at Japanese waterworks exhibitions across the country and pursues manufacturing that supports water infrastructure, aiming at safety and security beyond conventional expectations under its philosophy of continuous professional challenge.