Brochure | July 10, 2013

Rubber Seated Ball Valve Brochure

Source: Henry Pratt Company

Henry Pratt introduced the rubber seated ball valve over 30 years ago and this Pratt design has been refined over the years. In addition to replacing most other full port valves, the Pratt ball valve is used extensively in applications where swing check and globetype check valves were formerly used.

The Pratt ball valve has also found extensive applications in high velocity service such as hydroelectric and gravity feed lines where line velocities exceed 50 feet per second. In high-pressure shutoff applications, localized velocities across the seat routinely exceed 100 feet per second. The Pratt ball valve is equally effective as a long lasting shutoff device in potable, raw water and raw sewage applications.

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