30- to 48-Inch Pratt RD-Series Check Valves Now Available

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30- to 48-Inch Pratt RD-Series Check Valves Now Available

Mueller Water Products recently announced that its Pratt RD-Series check valves are coming soon in 30-, 36-, 42- and 48-inch sizes. Manufactured to comply with AWWA C508, the Pratt RD-Series check valve has only one moving part: a resilient disc reinforced with steel. This simple, innovative valve provides dependable, maintenance free performance, and quiet operation with its inherent non-slam construction. The large, unobstructed flow path makes the valve an excellent choice for wastewater as well as water applications. In addition, the mechanical joint end connection and 316 stainless steel cover bolt option is designed for buried installation that avoids the expense of vault construction.

All sizes have a 250 psi rating and are NSF/ANSI 61 and 372 certified. Two-inch through 48-inch sizes are available with flanged ends, and 3-inch through 16-inch sizes are available with mechanical joint ends. Additional options include: disc position indicator, external backflow device, proximity limit switch and EPDM disc. Pratt RD-Series check valves are also available as Mueller Model 851A Flexible Disc or Milliken Flex Check check valve.



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