Description
The multi-stage pressure reduction control valve includes a cage guided structure and pressure balanced plug which makes it suitable for high differential pressure conditions and applications that are prone to flash evaporation and cavitation. The Cage control valve is designed with various pressure reduction cages to form a multi-stage pressure reduction trim that is tailored to specific parameters. These cages prevent flash evaporation and cavitation by gradually reducing high inlet differential pressure through multiple stages of throttling. This ensures that the media always flows above saturated vapor pressure, extending the service life of the control valve in harsh operating conditions.
Parameters of control valves
| Trim features： | cage guided balanced trim structure balanced seal ring structure（normal temperature） metal seal ring structure (high temperature) |
| Body type： | straight-through type / angle type |
| Bonnet type： | standard type heat dissipation type |
| Flow characteristic： | equal percentage linear quick open |
| Size： | DN40-400（1.5”-16”） |
| Pressure class： | PN1.6、4.0、6.3Mpa（ANSI 150、300、600LB） |
| Leakage class： | ASME B16.104 Ⅴ（standard type metal seat） ASME B16.104 Ⅵ（shut-off soft seat） |
| Pipe connection type： | flange type butt welding type |
| Applicable temperature range： | -30C° ～ 260C°（balanced seal ring structure） -196C° ～ 550C°（metal seal ring structure） |
| Actuator type： | pneumatic diaphragm actuator pneumatic piston actuator electric actuator |
FAQs
What is cage guided control valve?
The cage guided control valve represents a complex type of control valve which serves to precisely regulate flow rates in different industrial settings. The main characteristic of this valve consists of its cage structure which maintains the valve plug in position while operating. The valves operate in high-pressure and severe service applications because they provide both reliability and precision.
Cage guided control valves operate in oil and gas and chemical processing and power generation industries because their robust design and advanced engineering meets the essential quality standards and operational efficiency requirements of these sectors.
Why is a cage used in a control valve?
The implementation of a cage in a control valve is central to enhancing its performance and reliability, particularly in demanding industrial applications.
- Stability and Guidance
- Flow Characterization
- Reduced Wear and Tear
- Tight Shutoff Capability
- Enhanced Pressure Management
What types of media are cage-guided control valves suitable for?
The cage-guided control valve functions as a versatile device which controls different types of media including liquids and gases and steam. The valves operate effectively in applications that need precise flow control while handling different pressure and temperature conditions thus making them appropriate for various industrial operations.
In which industries are cage-guided control valves most beneficial?
Cage-guided control valves find extensive application across various industries, including:
- Oil and Gas
- Chemical Processing
- Power Generation
- Water Treatment
