극저온 제어 밸브
공칭 직경：1”-12”(DN25-DN300)
공칭 압력：클래스150-클래스2500(1.0MPa-320MPa)
최소 작동 온도:-256℃
쉘 소재모넬 K500인코넬 718인코넬 908, 합금59, N08367CF8, CF8M, CF3, CF3M,F304，F316，F316L，N06625，CW6MC, CY40, M35-1,N10276, GRCop-84 등
설계 기준: API 6D, IEC 60534, ISA 75.01, GB/T 4213, EN 12570, DIN 3357, BS 6364
연결플랜지 또는 용접
드라이브 모드수동, 전기, 공압, 유압
적용 분야:LHe, LH₂, LNG, LN₂, LOX 등
극저온 제어 밸브
제품 정의 및 안전 임무:
The Cryogenic Control Valve is a core piece of equipment for achieving precise parameter control in cryogenic processes, specifically designed for regulating cryogenic media at -196°C. Through a sophisticated actuator and optimized flow path design, this cryogenic control valve enables precise control of the flow rate, pressure, and temperature of cryogenic media such as liquid oxygen and liquid argon, providing reliable regulation solutions for process industries such as air separation and liquefied natural gas.
JH Cryogenic Control Technology Gene
- Cryogenic Precision Adjustment: Control Accuracy ±1.0% | Meeting Precision Process Requirements
- Bellows sealing system: Zero leakage design | Leakage rate ≤10⁻⁶ mg/s·m
- Intelligent positioning control: High-precision positioner | Repeatability ±0.5%
- Cryogenic material optimization: Cryogenic treatment process | Impact energy at -196℃ ≥ 54J
- 제품 기술 분석
- Valve Body Structure
- Valve Internal Configuration
- 소형 액추에이터
우수한 성능 JH Cryogenic Control Valve stems from its innovative cryogenic control technology: the precision actuation system achieves ±0.5% repeatability accuracy through the perfect coordination of a multi-spring diaphragm actuator and a smart positioner; the bellows sealing system employs a fully enclosed metal bellows structure, completely eliminating the risk of valve stem leakage; the cryogenic material system undergoes cryogenic treatment at -196℃, maintaining excellent mechanical properties at extreme low temperatures; and dedicated flow characteristics optimize the valve core curve through computational fluid dynamics, ensuring precise process control throughout the entire stroke range. This comprehensive technological system enables the cryogenic control valve to exhibit outstanding control performance in cryogenic processes.
Specialized valve body structures for different operating conditions, optimized for adaptability, and professional structural design for cryogenic valves.
핵심 디자인:
▌ Single-seat adjustment structure → Sealing class VI | Leakage ≤0.01%KV
▌Dual-seat balanced structure → Balanced design | Operating torque reduced by 60%
▌ Sleeve Guide Structure → Stability Optimization | Vibration Resistance Improved by 80%
▌ Angle-shaped valve body structure → Precision casting of aluminum alloy | 40% weight reduction
Meeting diverse process requirements, optimized flow characteristics, and specialized characteristic curves for cryogenic valves.
핵심 디자인:
▌ Quick-opening valve core → Rapid shut-off applications | Stroke time ≤ 2s
▌ Equal percentage characteristic → Adjustable ratio 50:1 | For precision adjustment applications
▌ Linear characteristic valve core → Constant gain design | Precise pressure control
▌Low-noise valve internals → Multi-stage pressure reduction design | Noise ≤80dB
Meeting diverse requirements for control precision and response speed, precision control core, and a full range of cryogenic valve drive solutions.
핵심 디자인:
▌ Pneumatic diaphragm actuator → Multi-spring structure design | Control accuracy ±1.0%
▌ Electric Actuator → Intelligent Positioning Module | Repeatability ±0.5%
▌ Electro-hydraulic linkage system → Fast response design | Response time ≤ 0.8s
▌ Intelligent Positioning System → HART/Profibus Communication | Supports Remote Control
핵심 설계 및 장점
- Cryogenic Precision Control: This Cryogenic Control Valve is equipped with a high-precision actuator → Control accuracy ±1.0% | Meeting the needs of precision process control.
- 누출 방지 밀봉: This cryogenic control valve adopts a bellows seal design → leakage rate ≤10⁻⁶ mg/s·m | completely eliminating the risk of external leakage.
- Intelligent Positioning Control: JHCryogenic Control Valve integrates an intelligent positioning system → Repeatability ±0.5% | Supports digital communication protocols
- Cryogenic Material Optimization: Key components of this cryogenic control valve undergo cryogenic treatment → -196℃ impact energy ≥54J | Ensuring reliability in low-temperature environments.
- Dedicated Flow Characteristics: This Cryogenic Control Valve offers a variety of flow characteristics → adjustable ratio up to 50:1 | adaptable to different process requirements.
- Compact and Lightweight Design: This cryogenic control valve features an optimized structural design → reducing weight by 40% | making installation and maintenance easier.
기타 제품
자주 묻는 질문(FAQ)극저온 제어 밸브
Cryogenic Control Valves are specifically designed for precise regulation of flow, pressure, and temperature of cryogenic media. They feature accurate flow characteristic curves, higher regulation precision, faster response times, and seamless integration with control systems to achieve precise process parameter control.
The following key parameters are required for selection:
중간 크기 특징: 특정 극저온 매체 및 그 물리적 특성
Control Requirements: Control objectives for flow, pressure, or temperature
Operating Parameters: Operating temperature, inlet/outlet pressure, pressure drop
유동 특성: Equal percentage, linear, or quick opening requirements
Actuator Type: Pneumatic, electric, or electro-hydraulic actuators
Control Signal: 4-20mA, HART, or Fieldbus protocols
We ensure regulation accuracy through multiple technologies:
Special Structural Design: Extended bonnet and precision guidance structure
Cryogenic Compensation: Designs compensating for material cold shrinkage
정밀 제조: Precision grinding and matching of plug and seat
극저온 테스트: Performance testing in actual low-temperature environments
설치 시 특별히 주의해야 할 사항은 다음과 같습니다.
Installation Position: Ensure easy operation and maintenance of the actuator
Pipeline Support: Avoid pipeline stress affecting the valve body
Flow Direction: Strictly follow the arrow indication on the valve body
Electrical Interface: Correct connection of signal and power cables
Environmental Protection: Explosion-proof and protection rating of the actuator
가능한 이유는 다음과 같습니다.
Oversized Valve: Operating in low opening instability zone
Actuator Issues: Unstable air supply or spring failure
Positioner Malfunction: Loose feedback mechanism or calibration drift
Pipeline Vibration: Mechanical resonance affecting control system
We provide complete certification and protocol support, including CE, ISO 9001, API 6D, ABS (American Bureau of Shipping), BV (Bureau Veritas), CCS (China Classification Society) certifications, and mainstream communication protocols like HART, Foundation Fieldbus, and PROFIBUS.
Our smart valves are equipped with:
Digital Positioners: Real-time monitoring of valve operating status
Intelligent Diagnostics: Online detection of packing friction and stem sticking
Predictive Maintenance: Life prediction based on operational data
Remote Monitoring: Remote management through digital communication
We offer comprehensive customization services including special flow characteristic design, anti-cavitation noise reduction design, fast response actuators, special material selection, and dedicated control valve solutions for extreme low temperatures down to -256°C.