Masoneilan 31000 Series Rotary Control Valve
31000 Series Control Valve for Corrosive Applications
The eccentric rotary plug design provides excellent throttling control accuracy, low dynamic forces, and tight shut-off. The straight-through flow pattern results in high flow capacities.
31000 Series Key Features and Benefits:
- Corrosion Resistance:
PFA lining with guaranteed minimum wall thickness provides resistance to most corrosive fluids. - Reduced Fugitive Emissions:
The rotary design inherently reduces wear on the packing as compared to a typical linear valve. Additionally, the standard design includes PTFE/Graphite packing, and chevron rings, backed up by a double O-ring follower to provide further reliability in corrosive applications. - Ease of Maintenance:
The compact dimensions and low-weight design allows for easy installation and removal without compromising piping forces. - Reliability:
The dovetail grooves provide mechanical anchoring between the metal body and PFA lining to ensure high performance under vacuum and at high temperatures. The powerful, field-proven rolling diaphragm actuator provides positive fail-safe action. The actuator linkage is totally enclosed that comes with a combination handwheel and adjustable limit stop with locking mechanism. All actuators are available with a complete line of options and accessories.
31000 Series Specifications
Size
- 1" through 3" (25 through 80 mm)
Ratings and Connections
- Flanged ANSI 150, UNI-DIN 10 – 16
Body Materials
- Cast iron PFA lined
Actuator
- Model 35 spring-opposed rolling diaphragm
Trim
- Eccentric rotary plug
Inherent Characteristics
- Linear
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Masoneilan 31000 Series Instruction Manual
Masoneilan 31000 Series Instruction Manual
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Masoneilan 31000 Series Tech Spec
Masoneilan 31000 Series Tech Spec