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MARPAC Petro E790 Ball Valve
The MARPAC Petro E790 Ball Valve employs rugged double-union ends which eliminate the space, labor and material required to install a pipe union and nipples in the piping run.
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ISO, ASME (ANSI)
The MARPAC Petro E790 Ball Valve employs rugged double-union ends, which eliminate the space, labor and material required to install a pipe union and nipples in the piping run. In addition, the seat retainer design maximizes the in-line maintenance effectiveness of this three-piece ball valve. With this design, a rebuilt body center section can be field bench tested to verify seat integrity in both directions.
MARPAC's dual stem seal is a basic but important innovation that delivers better seal life and requires fewer adjustments in service. The overall design of these stem seals, rather than changing or adding materials to them, allows improved operation of the ball valve as a whole.
The Petro E790 Ball Valve meets MSS-SP-99 criteria. Steel bodies have been burst tested to verify shell integrity. MSS-SP-61 shell and seat test available by request.
- Size Range: 1/4" to 2"
- High cycle life with less adjustments provided by a dual stem seal
- In-line maintenance included and extra pipe connections eliminated due to the use of rugged double-union ends
- Forged construction
- High vacuum to 4500 psi
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MARPAC Petro E790 Ball Valve Double-Union End Pressures to 4500 psig brochure
McCANNA/MARPAC McCannaseal Top-Entry Wedge-Seated Regular and Full Port Ball Valves brochure
MARPAC Petro E790 Double Union End Ball Valve User Instructions: Installation, Operation and Maintenance Manual (IOM)
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