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. Administrative headquarters are located in Aurora, Illinois with manufacturing facilities in Aurora, Illinois and Hammond, Indiana.
Today, as one of the Mueller Water Products companies, The Henry Pratt Company designs, develops, manufactures and markets a range of superior products to the water, wastewater and power generation industries.
Through experience, commitment and creative engineering, Pratt is uniquely suited to provide superior products for our customers’ special needs:
***Butterfly Valves: from 3” to 162”
***Rectangular Valves: 1’ x 1’ to 14’ x 16’
***Rubber Seated: from 4” to 60”
***Metal Seated: from 6” to 48”
***Plug Valves: from 1/2” to 36”, 3 ways
***Hydraulic Control Systems
***Energy Dissipating Valves and Fixed Energy Dissipaters
Pratt’s ability to provide practical solutions to complex issues is demonstrated by the following case histories:
- Earthquake Proof Valves which withstand acceleration forces of up to 6g’s.
- Custom Actuation/Isolation Valves that isolate a working chamber in the event of a nuclear emergency during the decommissioning of armed nuclear warheads. The valves are able to close in a millisecond using specially designed Pratt electro-pneumatic actuators.
- N-Stamp Certification of Authorization from the ASME to manufacture valves bearing the N Symbol for Class 1, 2 and 3 Nuclear Valves. Our company meets and exceeds all of the requirements for building nuclear valves, ranging in size from 3 to 144 inches, in strict accordance with Section III of the ASME Boiler and Pressure Vessel Code.
- Valves Designed for Harsh Environments such as 144” diameter butterfly valve for the emergency cooling system at a jet engine test facility. The valve was designed to supply water to help dissipate the tremendous heat generated by the engines during testing.
Henry Pratt has achieved ISO 9001:2008 Quality Manufacturing System Certification and Henry Pratt has earned NSF Certification
6I approval on our butterfly valves, cone valves and check valves.