Series 835 process-rated ANSI class 150 high-performance wafer-sphere butterfly valves are an excellent cost-effective alternative for shutoff pressure up to 100 psi. The series 835 provides the same long-lasting tight shutoff capability, excellent flow characteristics, and long service life as the fully ANSI-rated series 815. They are available in 30”-60” designs.
The series 835 wafer-shpere butterfly valve is available with trim materials and seat combinations to fit a wide variety of applications from water to abrasives and from air to stem. Valves in this bulletin meet NACEMRO103 requirements when equipped with 17-4 PH shafts. Optionally available are FIRE-TITE valves sepecially prepared for oxygen or high-vacuum service and valves conforming to the european pressure equipment directive 97/23/EC or PED requirements.
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