860HPC Critical Service Choke Valve Solution
The 860HPC is an erosion-resistant, control valve ideally suited for use in critical service choke applications. It is designed to address durability, safety and performance into a robust and proven solution.
Designed for applications with up to 200 bar pressure differential, wear resistance is optimised with tungsten carbide inner cage and plug. Higher flexibility can be obtained by two different trim sets available to match a high range of operating conditions. A drilled hole cage with reduced Cv is available for start-up and for initial life conditions. To accommodate large flow rates and lower pressure drops encountered during end-of-life conditions, a slotted cage with increased capacity is used. Critical service choke applications usually encounter issues such as high noise, improper velocity control, incompatibility in multi-phase flow streams and corrosion. The 860HPC is designed to address these concerns.
- Available with different sets of materials, suitable for different grades of chemical corrosion.
- Singleton sizing for multiphase flow stream Cv calculation.
- Optimised drilled hole pattern for low noise performance.
- Optimised flow paths for velocity control.
Product Specifications
Pressure rating
- ANSI 600, 1500, 2500, API 5000
End connections
- RTJ or Hub
Body / bonnet / bonnet spacer
- A216-WCB / A105 standard Application specific options available
Bolting
- A193-B7M / A194-GR 2HM standard Application specific options available
Temperature range
- -50 C / 343 C
Quality specification
- ASME B16.34, API PSL1, PSL2, PSL3, API PR1, PR2
Sizing method
- Single phase per ISA S75.01, multiphase per E. W. Singleton
Trim type / characteristic
- Cage choke / linear or modified equal percentage
Flow direction / shut-off
- Flow-to-close / Class IV or V shut-off
Body type
- Angle casting
Actuators - IMI CCI
- Diaphragm, pneumatic piston, or manual override
Actuators
- Electric, hydraulic modulating, pneumatic / hydraulic stepper motors
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