Miyawaki

MIYAWAKI Inc. is a company that manufactures steam valves, such as steam traps. It was established in 1933 by Sentaro Miyawaki. The company offers a variety of products and services to customers in all industries that utilize steam.

1933: Sentaro Miyawaki establishes Miyawaki Shoten machinists’ tools in Nishi-ku, Osaka. 1935: mark valve released. 1936: TOKAI mark valve released. 1949: Miyawaki Model F duplex steam trap using patented pressure differential technology released. 1950: Model R steam trap released. 1951: Model RH-8 high pressure steam trap released. 1953: MIYAWAKI Steam Trap Manufacturing Co., Ltd. established. Head office/factory relocated to Itachibori, Nishi-ku, Osaka. 1955: Tokyo sales office and Nagoya sales office established. Model A drain trap for air released. 1957: Head office/factory relocated to Chiyozakicho, Nishi-ku, Osaka. Model S disc steam trap released. 1958: Miyawaki Seiki Kogyo Co., Ltd. established. 1960: Model VT Condensate recovery trap for air released. 1962: Model B bimetal steam trap based on technology provided by Dr. Domnick & K. Schroeder from West Germany released. 1965: Model C high-temperature high-pressure pop bimetallic steam trap released (original incarnation of the temperature control trap). 1967: Model SV bypass valve and unit exchange disk steam trap for air released. 1968: Model G ball float steam trap released. 1969: Head office/factory relocated to Tagawakita, Yodogawa-ku, Osaka (current location). Drain trap for nuclear power plant first shipment. Model ER inverted bucket steam trap released. 1970: TB15 temperature control trap released. 1972: L15 Lifting trap for condensate recovery released. 1973: TB2 energy-saving temperature control trap released. G200 Ball float type air gas trap released. 1976: The company’s first president, Sentaro Miyawaki, passes away. Tadasuke Miyawaki appointed president. S30 disc steam trap released. 1977: ES8 inverted bucket steam trap released. AE air trap released. SV1 steam trap and small bypass valve released. AV1 air trap and small bypass valve released.

Product categories. Steam Traps · Air Traps · Air Vents · Pressure Reducing Valves · Condensate Recovery Devices · Hot Water Supply Systems · Ancillary Equipment · Steam Trap Management System · Manifold Series

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