케이지 제어 밸브
공칭 직경：1/2”-12’’(DN15-DN300)
공칭 압력：클래스150-클래스2500(1.0MPa-320MPa)
최대 작동 온도:425℃
쉘 소재：WCB，WCC，CF8, CF3, CF3M,F304，F316，F316L，Monel K500，Inconel 718，N06625A105CW6MC，CY40，M35-1，N10276，CF8M
설계 기준: API 6D, IEC 60534, ISA 75.01, GB/T 4213, EN 12570, DIN 3357, BS 6364
연결：Flange
드라이브 모드수동, 전기, 공압, 유압
케이지 제어 밸브
제품 정의 및 안전 임무:
The Cage Control Valve is a core piece of equipment for achieving precise control and reliable protection in modern process industries. It overcomes the systemic pain points of traditional control valves, such as severe vibration, rapid wear, and frequent maintenance under high pressure differential, high temperature, and flash air conditions. This revolutionary control valve provides a stable and reliable control solution for harsh operating conditions through its innovative cage-guided and balanced structure.
JH Cage Control l Technology Gene
- Valve cage guide → Guide area ratio ≥ 60% (IEC 60534-2-1)
- Multi-stage pressure reduction → Single-stage pressure difference ≤ 3.5MPa (ISA 75.01.01)
- Precise control → Adjustable ratio 40:1 (IEC 60534-2-1)
- Ultra-long life → Mechanical life ≥ 250,000 cycles (IEC 60534-4)
- 제품 기술 분석
- Anti-cavitation
- Low noise
- 고온
Cage Control Valve Product Technical Analysis: This industrial-grade cage control valve is based on fluid dynamics and structural innovation. The valve cage employs a multi-stage pressure-reducing orifice design (ISA 75.01.01 standard), gradually consuming fluid energy through precisely calculated flow channel areas to control the flow velocity below the cavitation critical point. The guiding system provides 360° circumferential support through the precise fit between the valve cage and the valve core, controlling valve core vibration to within 0.05mm. The sealing system uses a balanced valve core combined with a flexible sealing ring, achieving ANSI/FCI 70-2 Class IV leakage rating while ensuring a service life of 250,000 cycles. The material system offers a complete solution from standard stainless steel to special alloys, configured according to operating conditions, with a temperature range covering -196℃ to 800℃ to meet various extreme operating requirements.
The anti-cavitation type decomposes the high pressure difference step by step through a multi-stage pressure-reducing valve cage, effectively controlling the fluid velocity and completely eliminating the damage of cavitation to the valve internals. It is suitable for flash cavitation conditions.
핵심 디자인:
▌ Multi-stage pressure reduction design → Pressure rating ≥ 5 stages (ISA 75.01.01) | Single-stage pressure differential ≤ 3.5MPa
▌ Anti-cavitation valve cage → Patented special opening layout | Cavitation index σ≥1.2
▌ Hardening treatment → Surface hardness ≥ 62HRC (HV ≥ 700) | 5 times increase in cavitation resistance life
▌ Dynamic Equilibrium → Symmetrical Distribution of Pressure Balancing Holes | Fluid Excitation Force Reduced by 80%
The low-noise type adopts multi-flow path diversion and frequency adjustment technology, and controls fluid noise within environmental protection standards through acoustic optimization design, making it suitable for environmentally sensitive areas.
핵심 디자인:
▌ Multi-path flow splitting → Number of flow paths ≥ 30 (ISA 75.01.01) | Flow rate reduced by 45%
▌ Frequency Adjustment → Noise Frequency ≥ 8000Hz (OSHA 1910.95) | Audible Noise ≤ 85dB
▌ Noise-absorbing structure → Labyrinth-style flow channel patented design | Reduces sound pressure level by 15dB
▌ Vibration suppression → Damping coefficient ≥ 0.8 | Mechanical vibration ≤ 2 mm/s
The high-temperature type adopts a thermal expansion compensation structure and special materials to ensure long-term stable operation in superheated steam and high-temperature media, and is suitable for superheated steam systems.
핵심 디자인:
▌ Thermal Compensation Design → Radial clearance 0.15-0.25mm (IEC 60534) | Thermal deformation compensation ±1.2mm
▌ Special Alloy → Valve Cage Material ASTM A494 CW-12MW | Temperature Resistance ≤800℃
▌ Optimized heat dissipation → 50% increase in heat dissipation area | Temperature drop ≥ 30℃
▌ Thermal cycling durability → Thermal fatigue life ≥ 5000 cycles | Tissue stability ≥ 95%
핵심 설계 및 장점
- Perfect Guiding Control: The Cage Control Valve employs a full-circumferential guide cage → guiding area ≥60% (IEC 60534) | vibration reduced by 90%, achieving precise and stable control.
- Complete elimination of cavitation: Multi-stage pressure-reducing valve cage precisely controls pressure distribution → Cavitation index σ≥1.2 | Cavitation damage reduced to zero, lifespan extended by 5 times.
- Environmentally friendly and low-noise: Multi-flow labyrinthine noise reduction design → Noise ≤85dB (OSHA standard) | Protects hearing health and meets environmental protection requirements.
- High pressure differential adaptation: Step-by-step pressure reduction and optimized energy distribution → Applicable pressure differential ≤20MPa (ISA 75.01.01) | Stability improved by 120%, breaking through the pressure differential limit.
- High-Temperature Reliability: Thermal expansion compensation and special materials → Temperature resistance ≤800℃ (ASME B16.34) | Controllable thermal deformation ensures high-temperature sealing
- Rapid Maintenance: Modular design of valve cage and valve core → Replacement time ≤ 30 min | Maintenance costs reduced by 70%, significantly reducing downtime losses.
기타 제품
FAQ-Cage Control Valve
The key feature of a Cage Control Valve is its cage structure. It typically consists of the valve body, valve seat, valve cage, valve plug, valve bonnet, and valve stem. The cage not only acts as a guide for the valve plug but also determines the valve’s flow characteristic (e.g., equal percentage, linear) through the specific shape of the ports on its wall. During operation, the valve plug moves within the cage, changing the flow area through these ports to achieve precise flow control. This design offers advantages like stable guidance, noise and vibration reduction, 그리고 easy maintenance.
The main advantages of Cage Control Valves include:
High Stability & Anti-cavitation: The cage provides extensive guiding for the plug, reducing vibration. Special cage designs (e.g., multi-stage) can progressively reduce fluid pressure, effectively preventing cavitation and flash erosion of trim parts.
Low Noise: Multi-hole or multi-stage cages effectively break up high-velocity flow, reducing operating noise.
Easy Maintenance: The trim parts are often modular, allowing the cage and plug assembly to be removed for inspection or replacement without removing the valve body from the pipeline, saving significant maintenance time and cost.
High Capacity & Wide Applicability: Optimized flow passage design allows for greater flow capacity, suitable for severe services like high-pressure drop.
Cage Control Valves are particularly suited for challenging applications, including:
High Pressure Drop Services: The cage design effectively stages pressure drop, protecting trim parts.
Applications Prone to Cavitation/Flashing: Multi-stage reduction cages are ideal for managing cavitation and flashing.
Environments Requiring Low Noise: Low-noise cages significantly reduce fluid-generated noise.
Unclean Media or Slight Particulates: Certain cage designs offer some self-cleaning or anti-clogging capabilities.
Our Cage Control Valves are designed and manufactured in full compliance with international standards, holding major certifications including API, ISO, CE, ABS, BV 및 CCS. These certifications provide strong assurance of product quality, safety, and reliability, ensuring they meet procurement standards for projects and industries worldwide.
The choice of cage type depends primarily on the specific process conditions and control objectives:
Standard Cage: For general throttling and shut-off applications.
Multi-Stage Cage: For high-pressure drop applications, effectively controlling cavitation and noise.
Low-Noise Cage: For environments with strict noise level restrictions.
Anti-Cavitation Cage: Specifically for media prone to cavitation, extending valve life.
To ensure optimal valve performance and service life, please note:
Before Installation: Confirm the valve flow direction matches the pipeline flow. Ensure the pipeline is clean and free of debris.
Routine Maintenance: Periodically check the stem packing for external leaks and tighten or replace packing if necessary. Monitor valve position feedback signals and calibrate promptly.
Trim Replacement: If control performance degrades or internal leakage occurs, the trim set (cage and plug) likely needs inspection or replacement. Thanks to the cage structure, this can often be done without removing the valve body from the line.
For accurate sizing and selection, please provide the following information where possible:
Media Data: Name, temperature, density, viscosity, corrosiveness, and presence of particulates.
Flow Data: Maximum, normal, and minimum flow rates.
Pressure Data: Inlet pressure, outlet pressure, and the calculated differential pressure.
Leakage Class Requirement: e.g., ANSI Class IV, V, VI.
Flow Characteristic Requirement: e.g., Equal Percentage, Linear.
Connection & Material Requirements: e.g., Flange standard, body material, trim material.