Products Description
| Product Name | Yk Chiller Thermal Expansion Valve 025-32905-000 |
| Model | 025-32905-000 |
| Applicable Industries | Construction and Commercial |
| Application | Refrigeration compressor |
| Packaging | Cardboard Box |
| MOQ | 1 Piece |
York 025-32905-000 Thermal Expansion Valve: Core Functions
1. Precise Throttling and Flow Control (Core Function)
Load Adaptability: The thermal bulb monitors the superheat at the evaporator outlet in real-time and automatically adjusts the valve opening. Refrigerant flow dynamically matches the cooling load, thereby eliminating issues such as “insufficient liquid supply” (poor cooling performance) or “excessive liquid supply” (liquid slugging).
Externally Equalized Design: Compensates for pressure drops caused by flow resistance within the evaporator piping, resulting in more precise superheat control (±0.5°C). This design is particularly well-suited for evaporators featuring long piping runs, multiple circuits, or high cooling capacities, boosting heat exchange efficiency by 10–15%.
R22-Specific Calibration: Precisely calibrated for R22 refrigerant at the factory, ensuring excellent flow linearity, high adjustment sensitivity, and zero hysteresis. This guarantees stable operation across all working conditions and optimizes the unit’s energy efficiency.
2. System Protection and Safety (Core Safety Feature)
Anti-Liquid Slugging Protection: Maintains stable control of the evaporator outlet superheat (typically 3–5°C), preventing liquid refrigerant from entering the compressor. This safeguards against compressor liquid slugging, bearing burnout, and valve plate damage.
Low-Pressure Stability Protection: Achieves precise throttling to prevent suction pressure from dropping too low, thereby avoiding evaporator freezing and compressor overload.
High-Pressure Overload Protection: Ensures proper flow matching to maintain stable condensing pressure, preventing high-pressure alarms and system shutdowns.
3. Energy Efficiency Optimization and Stable Operation (Core Stability Feature)
High-Efficiency Heat Exchange: Precise flow control ensures full utilization of the evaporator’s heat exchange surface area, thereby maximizing heat exchange efficiency while minimizing energy consumption.
Operational Stability: Responds rapidly to load fluctuations without oscillation; ensures stable chilled water outlet temperatures, minimizes room temperature fluctuations, and delivers high levels of occupant comfort.
Low-Noise Operation: Features smooth throttling free from whistling or vibration, meeting the low-noise environmental requirements typical of equipment rooms. 4. High Reliability and Long Service Life (Durable Core)
Forged Brass Valve Body: High-pressure forged, integrally formed, free of sand holes, corrosion-resistant, vibration-resistant, and resistant to pressure shock; service life ≥ 8 years.
High-Precision Sensing Element: Copper sensing bulb filled with inert gas; offers long-term stability and minimal temperature drift. Ensures zero-point stability and maintains consistent adjustment accuracy over extended periods of use.
Reliable Sealing: Features a metal diaphragm combined with high-temperature-resistant seals; resistant to refrigerant corrosion and aging, ensuring leak-free operation.
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Technical parameter
Company Profile
Factory Profile
| Q1:For refrigeration industry, which brands are your products covering? | A1:We produce filter element replacements for brands like,Bitzer, Carrier, York, McQuay, Trane, etc… |
| Q2:Does the price include freight? | A2:The quotation is usually the factory price. We can recommend the most economical logistics plan and calculate the freight according to your destination and quantity. |
| Q3:How to ensure product quality? | A3:We have a strict quality control process, and we will carry out multiple inspections before the products leave the factory to ensure that they meet the standards. |
| Q4:Why choose us? | A4:Product reliability: We are a professional manufacturer . can offer high-quality products at the most competitive prices. Technical support: We provide technical assistance. Industry experience: We have over 10 years of experience in the refrigeration equipment service field. After-sales service: We offer professional after-sales service. Team collaboration: We have a professional team that can provide you with prompt services and delivery schedules. |
Product Design Advantages
1. Externally Equalized Design: Compatible with high-capacity, long-piping, and multi-circuit evaporators; offers precise superheat control and high heat exchange efficiency.
2. R22-Specific Calibration: Ready for immediate use right out of the box—no on-site calibration required; ensures sensitive and stable regulation.
3. Brazed Connections: Provides reliable sealing, withstands high pressure and vibration, and eliminates the risk of leaks.
4. Robust Construction: Features a forged brass valve body and a thickened sensing bulb; highly impact-resistant and durable.
5. High Cost-Effectiveness: Delivers OEM-grade quality at a moderate price point; serves as an ideal alternative to expensive imported valves, thereby reducing maintenance and service costs.
