Description
The Cage single-seat control valve operates with a cage guided structure and pressure balanced plug which makes it suitable for applications requiring high differential pressure. The valve achieves better shut-off performance through the substitution of its upper seat with a balanced seal ring. The pressure balanced structure enables low actuator thrust while controlling media under high differential pressure conditions. The valve operates in fluid control systems of pipelines under moderate temperature and pressure conditions to provide stable dynamic performance. The valve provides excellent sealing performance and high differential pressure capability and cage guidance and compact design which enables fast trim replacement with high maintenance efficiency. The balanced plug design requires minimal actuator thrust for operation.
Valve material
- Valve body material: WCB,WCC,WC6, CF8, CF8M, CF3M+ ptfe or pfa
- Valve cover material: WCB, CF8, CF8M, CF3M
- Valve trim: SS316+ptfe or pfa
- Packing: PTFE, graphite
- Nominal diameter: 1/2“-10“ DN15-DN250
- Nominal pressure: ANSI150, PN1.6
- Body type: straight-through, angle
Bonnet type:
- standard,
- heat dissipation,
- bellows,
- jacket insulation
Connection:
- flange FF, RF, RJ, TG,
- MFM
- Welding
- SW
Flow characteristics:
- linear
- Equal percentage
Leakage level:
- hard seal (ASME B16.104 IV)
- Soft seal (ASME B16.104 VI)
Operating temperature:
- Standard type -17~+230℃
- Elongation type I (EI) -45~-17℃, +230~+566℃
- Elongation type II (EII) -100~-45℃
- Elongation type III (EIII) -196~-100℃
ACTUATOR
- Pneumatic actuator: diaphragm type
- Action mode: direct action, reverse action
- Fault position: normally open, normally closed
- Accessories: solenoid valve, electric positioner, limit switch, handwheel, position-keeping valve, air source filter
- Electric actuator: intelligent regulating type and intelligent switching type
- control signal：4-20mA
FAQs
What is cage guided control valve?
A cage-guided control valve represents an advanced control valve system which precisely controls fluid flow while maintaining stability. The valve includes an internal cylindrical cage structure which provides strong guidance and operational support to the plug. The valve body contains multiple flow passages or slots inside the cage which control fluid flow as the plug moves through the valve body.
What are the applications of cage guided control valve?
The precise control capabilities together with robust design of cage-guided control valves make them essential for multiple critical applications across different industries. The oil and gas industry depends on these valves to handle hydrocarbon flow throughout all stages of upstream and downstream operations.
The chemical processing industry relies on cage-guided control valves to manage the flow of aggressive and corrosive chemicals. The advanced design of these valves reduces turbulence and vibration which ensures both process integrity and safety. The precise control of steam and water flow in power generation facilities depends on these valves which enable safe and efficient plant operations.
