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Henry Pratt Company, The

Locations & Contacts

  • 401 S. Highland Ave.
    Aurora, IL 60506

The Henry Pratt Company designs, develops, manufactures and markets butterfly, rectangular, ball, nuclear, industrial, cone, sleeve and energy dissipating valves as well as valve actuators, and control systems. Our products are used in potable water, wastewater, power, industrial and nuclear markets.

Founded in 1901 by a small group of industrialists as a metal fabricating shop, the Henry Pratt Company entered the valve industry in 1926 with design/development of the first rubber seated butterfly valve. Growth of the Company over the past years has been closely associated with the growth of the rubber seat butterfly valve being supplied to the markets identified. Administrative headquarters are located in Aurora, Illinois with manufacturing facilities in Woodland, Washington; Aurora, Illinois; and Hammond, Indiana. The Henry Pratt Company is a subsidiary of Mueller Co., LLC.

Investment in Research and Development has generated the following industry firsts:

  • Rubber-seat butterfly valve
  • Rubber-seat ball valve
  • High-pressure rubber-seat butterfly valve for water distribution service
  • Development of the replaceable seat concept for large butterfly valves
  • Perfection of the “molded in” seat concept for smaller butterfly valves
  • Rubber-seat butterfly valve for circulating water systems in power plants
  • Condenser partition rubber-seat butterfly valve
  • Combination expansion joint/flangeless valve
  • 150 psi service water valve
  • Rectangular rubber-seat butterfly valve
  • Fast-closing valve to shut off ventilating systems in nuclear power plants
  • Non-metallic power cylinder for valve operators
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