axial control valve
Selecting Mokveld axial control valves with proven reliable performance will help to reduce costly maintenance and lost production time; a choice that will ensure the safe and reliable operation of your plant.
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Product summary
| Type designation | Control valve |
|---|---|
| Model | RZD - R...... |
| Scope | Sizes 2"-72", rating class ASME 150 - 2500 or API 3000 - 10000 |
| In preference to | Conventional globe valve Heavy-duty ball control valve Angle control valve |
| Typical applications | Special control Severe-duty (axial choke valve) Anti-surge / recycle control Anti-cavitation / Joule-Thomson |
Main product features
Axial flow
Streamlined flow path through the full-port expanded body avoids turbulence and prevents erosion and vibration. Process downtime and maintenance costs are reduced.
Unique TVM®
Unique TVM®
Total Velocity Management® concept: intelligent valve design that carefully manages fluid velocity in all areas of the valve.
High capacity
High capacity
The inherent capacity of the axial valve is very high compared to the conventional globe control valve and enables selection of smaller valve size. Alternatively the higher capacity can be used to minimize pressure loss or to provide for special control features.
Accurate control
Accurate control is possible (also with minimum opening) because of the pressure-balanced trim and full surround flow. Small, spring-opposed actuators can be selected for large valve sizes.
High turndown
High turndown
High inherent capacity and accurate control features make the valve suitable for applications that require high turndown providing one-valve solution for the full process envelope.
Silent
Streamlined flow path avoids turbulence and therefore energy conversion in the valve body itself. Pressure drop is taken over trim only. Dynamic body noise is minimized.
Compact
The one-piece valve body provides 20% - 70% weight reduction compared to globe valves. This feature is even more attractive combined with spring-opposed actuators.
Special features
- Custom designed valve, trim and actuator for each unique control application.
- Suitable for severe choke applications with tungsten carbide trim
- Wide variety of high-capacity, low-noise and anti-cavitation trims
- Full range of matching Mokveld pneumatic and hydraulic actuators with tailored control arrangements is available. Electric and electro-hydraulic actuation is also available.
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For optimal controllability Mokveld advises to use the standardized Mokveld positioner• SRD991 intelligent positioner - Intrinsically safe positioner in aluminium or stainless steel• SRD960 universal positioner - Explosion proof positioner in aluminiumThese valve positioners have several unique features, for example:• Fully fail stay put on loss of supply and/or fail stay put on loss of air• Use with natural gasFor detailed information, please contact Mokveld.
business areas
This product can be used in the following business areas:
cases
This product was used in the following cases:
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Brochure Englishmore information
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