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With the introduction of this new choke valve, Mokveld once again sets the benchmark for production uptime. Based on the Total Velocity Management® concept, choke erosion has been reduced by a factor of 4.

 

Evenly distributed flow through the cage due to Mokveld's Total Velocity Management®
Available integrated Mokveld actuators for the angle choke valve
Angle choke valve, Oman
Angle choke valve, China
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Product summary

Type designation Choke (control) valve
Model CHV - R....
Scope Sizes 2" - 8", rating ASME Class 600 - 2500 or API 3000 - 10000, Larger sizes and higher pressures (incl. API 15000) on request
In preference to External sleeve choke valve
Rotating disc choke valve
Conventional globe control valve
Angle control valve
Typical applications Oil and gas production
Water and gas injection
Gas lift
Joule Thomson
   

Main product features

Unique TVM®
Total Velocity Management® concept: intelligent valve design that carefully manages fluid velocity in all areas of the valve, minimising erosion in body and trim.
 
Maximized uptime
The improved Mokveld gallery area and flow-path design means the valves offer maximum production uptime.
 
Accurate control
The pressure-balanced trim and the low-friction lip seals allow small actuators and accurate control (also with minimum opening).
 
High turndown
High capacity and accurate control features make the valve appropriate for both start-up and well depletion production scenarios. One-valve solution for full process envelope. 
 
FloSafe bean®
Upon request the choke can be equipped with a FloSafe bean® to provide ultimate protection against relief system overload. 
 
Safety bonnet
The screwed safety bonnet prevents the well-known ‘closed-in pressure risk’ with disassembly, associated with bolted bonnet chokes 
 
Easy maintenance
The weight of the choke parts is low, and their number limited. This ensures easy maintenance and reduces lost production time. With angle transmission installed, the choke can be maintained without removal of actuator and instrument connections. 
 
Special features
  • Custom designed valve, trim and actuator for each unique choke application 
  • Wide variety of liquid, gas and multi-phase trims in linear and equal% execution.
  • Special RCU large hole trims for dirty well clean-up service and RDS high capacity trims for minimized pressure loss at well depletion stage. 
  • Full range of matching Mokveld pneumatic and hydraulic actuators with tailored control arrangements is available. Electric and electro-hydraulic actuation is also available.

  

  • 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 aluminium
    These 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 gas
    For detailed information, please contact Mokveld.

 

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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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