Products Description

| Product Name | Carrier EB51LZ183 Pressure Relief Valve |
| Model | EB51LZ183 |
| Applicable Industries | Construction and Commercial |
| Application | Refrigeration compressor |
| Packaging | Cardboard Box |
| MOQ | 1 Piece |
Carrier EB51LZ183 Pressure Relief Valve: Key Features
1. Automatic Overpressure Relief
When the pressure on the high-pressure side of the refrigeration system (compressor discharge, condenser, or receiver) exceeds 2.38 MPa, the valve instantly opens fully, rapidly discharging refrigerant into the atmosphere or a recovery system to prevent equipment explosion or severe damage.
2. Automatic Resealing
When the pressure drops below 2.0 MPa, the valve automatically closes and seals, preventing continued refrigerant leakage; following a major pressure relief event, it is recommended that a professional verify the integrity of the seal.
3. Full-Lift, High-Capacity Discharge
Upon activation, the valve disc opens fully, releasing a large volume of high-pressure refrigerant in a very short time; this ensures a rapid reduction in system pressure, offering superior protective performance compared to partial-lift valves.
4. Non-Adjustable Safety Design
The valve’s pressure setting is precisely calibrated and lead-sealed at the factory; users are strictly prohibited from making unauthorized adjustments. It is required that a professional agency verify the valve’s opening pressure and seal integrity on an annual basis.
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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 Malfunctions
1. Leakage (Refrigerant Seepage): Manifests as frost on the valve body, visible oil traces, or a continuous drop in pressure; typically caused by wear on the sealing surface, aging of the PTFE material, or slight deformation of the valve body.
2. Failure to Open (Failure to Relieve Overpressure): The valve fails to actuate even when system pressure exceeds 2.5 MPa; typically caused by a stuck valve disc, blockage by impurities, or drift in the set pressure.
3. Premature Opening (Low-Pressure Relief): The valve suddenly pops open while pressure remains within the normal range (1.5–2.0 MPa); typically caused by internal spring fatigue, a set pressure that is too low, or system water hammer/pressure surges.
4. Failure to Reset: The valve continues to leak and fails to seal properly after relieving pressure; typically caused by deformation of the valve disc, damage to the sealing surface, or impurities lodged within the mechanism.
