Products Description
| Product Name | Trane VAL07494 Chiller Service Valve |
| Model | VAL07494 |
| Applicable Industries | Construction and Commercial |
| Application | Refrigeration compressor |
| Packaging | Cardboard Box |
| MOQ | 1 Piece |
Trane VAL07494 Service Valve Core Functions (Three-in-One: Shut-off + Monitoring + Charging)
1. Front Seat (Fully Closed: System Isolation)
Rotate the valve stem clockwise to its limit to cut off the main refrigerant flow, thereby isolating the compressor from the piping system and enabling safe unit disassembly for maintenance (e.g., replacing bearings, shaft seals, or the compressor).
2. Back Seat (Fully Open: Operation / Monitoring)
Rotate the valve stem counter-clockwise to its limit; the main refrigerant passage opens fully while the gauge port closes, allowing for normal unit operation. A pressure gauge can be connected to the port to measure suction and discharge pressures.
3. Mid-Position (Three-Way: Charging / Recovery)
With the valve stem partially open, the main refrigerant passage and the gauge port are interconnected; this position is used for refrigerant charging, recovery, system evacuation (vacuuming), and pressure relief.
4. Safety Shut-off (High-Pressure Protection)
The valve body is rated to withstand pressures of up to 45 bar, ensuring safe isolation of the high-pressure side and preventing refrigerant leakage during maintenance procedures.
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Technical parameter
Company Profile
Technical parameter
| 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. |
Common Product Faults and Causes
1. Valve Stem Leakage (Refrigerant / Oil Seepage)
O-ring aging / damage (RNG01764); seals require replacement.
Valve stem wear / scratches; sealing surface failure; valve requires replacement.
2. Valve Core Fails to Seal Tightly (Internal Leakage)
Valve core sealing surface wear / obstruction by debris; failure to achieve complete shut-off.
Insufficient valve stem travel; not screwed fully into position.
3. Gauge Port Leakage (Charging Port Leakage)
Gauge port valve pin wear / aging of sealing gasket.
Dust cap missing / not tightened securely.
Valve Body Cracking (Rare)
Freeze cracking (due to low temperatures / moisture content), overpressure shock, or excessive installation stress.
