31000 Series Rotary Control Valve

Corrosion-Resistant Solution

The 31000 Series valve features a PFA-lined assembly designed for corrosive fluid applications. It also includes an eccentric rotary plug design that provides tight shut-off and low dynamic forces.

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Selection Criteria

The 31000 Series is designed for highly corrosive and chemical process applications. The PFA-lined design isolates all metal components from contact with the service fluid, ensuring long, trouble free operation. Plus, the eccentric plug action delivers accurate control and tight class VI shutoff.

Key Features

The 31000 Series PFA-lined rotary globe valve provides superior corrosion resistance at a lower cost compared to high alloy options. The eccentric plug provides a high 100:1 turndown ration for excellent throttling control over a wide range of conditions. All wetted internal parts are encapsulated in PFA, or solid PTFE. Plus, the standard packing system has been certified by the German agency TUV as being "Equivalent To A Bellows." With its exceptional, proven and recognized tight sealing capabilities, the 31000 Series is suitable for the harshest chemical applications. Reduced trim options are also available to best fit the application.

Benefits

The Dresser Masoneilan 31000 provides long, trouble free operation in the harshest chemical environments. The complete encapsulation of all metal components prevent chemical corrosion ensuring long service life. The eccentric plug design eliminates seal friction reducing actuator sizes and extending seat life as well as reducing maintenance requirements and increasing process yields. The standard low-emission packing system provides compliance with environmental and safety requirements.

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