Products Description
| Product Name | York Electronic Expansion Valve 025-44027-000 |
| Model | 025-44027-000 |
| Applicable Industries | Construction and Commercial |
| Application | Refrigeration compressor |
| Packaging | Cardboard Box |
| MOQ | 1 Piece |
York 025-44027-000 Electronic Expansion Valve: Core Functions
1. Precise Throttling and Flow Regulation (Core Function)
It throttles high-pressure liquid refrigerant to reduce its pressure, converting it into low-pressure wet vapor. It provides stepless regulation of the liquid supply volume in response to the unit’s load (ranging from 10% to 100%), maintaining the evaporator superheat at a stable 3–5 K to maximize heat exchange efficiency.
2. Closed-Loop Superheat Control; Protection Against Liquid Hammer and Dry-Burning
Working in conjunction with evaporator outlet temperature and pressure sensors, it performs real-time closed-loop adjustments: High superheat → Valve opens wider → Flow increases; Low superheat → Valve closes down → Flow decreases. This effectively prevents liquid hammer in the compressor and dry-burning of the evaporator.
3. Wide Load Adaptability; Optimal Matching for Variable Frequency Systems
With a response speed of ≤ 1 second, it precisely matches the flow requirements of variable frequency compressors across the entire range fromlow load (10%) to full load (100%). This results in a 12%–20% improvement in COP under partial load conditions, leading to significant energy savings.
4. Bi-directional Flow and Shut-off Capabilities
It supports bi-directional throttling for both cooling and heat pump modes. In the event of a power failure, the valve position is maintained, and a tight bi-directional shut-off is engaged; effectively serving the function of a solenoid valve to prevent refrigerant backflow.
5. Fault Self-Diagnosis and Integrated Protection
In the event of valve blockage, coil failure, or pulse signal anomalies, the main control board triggers an alarm and locks the valve opening position. This initiates load reduction or unit shutdown protection protocols, facilitating rapid fault localization and component replacement.
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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 Structure and Design Advantages
1. Forged Brass Body + High-Pressure Sealing: Withstands high pressures up to 34 bar; resistant to corrosion from refrigerants and oils; deformation-proof, ensuring zero external leakage and zero material degradation during long-term operation.
2. Precision Stepper Motor + Direct-Acting Valve Core: Features a 500-pulse full stroke and 0.9° micro-step control; ensures sensitive actuation, eliminates jamming, and delivers excellent flow linearity.
3. Detachable Coil + IP65 Protection: The coil is dustproof and waterproof, and can be replaced independently to reduce maintenance costs; ensures stable operation in harsh environments (e.g., high temperature or high humidity).
4. Built-in Filtration + Impurity-Resistant Design: Equipped with a stainless steel filter screen at the inlet to prevent system impurities from jamming the valve core, ensuring high reliability and a long service life.
