Emerson XB-1019 MW55-1B 057370 Power Assembly, 5FT Capillary, 1/4" SAE External Equalized for TCLE/TJLE/TJRE TXV
The Emerson XB-1019MW55-1B 057370 is a power assembly designed for TCLE, TJLE, and TJRE series external equalized thermostatic expansion valves. It features a 5-foot capillary tube and a 1/4" SAE external equalizer connection, engineered for R134a, R12, and R401A refrigerants. This assembly precisely monitors evaporator outlet temperature and adjusts refrigerant flow to maintain optimal superheat, preventing liquid slugging and improving system efficiency. With a temperature range of -50℉ to +50℉, it is ideal for commercial air conditioning, chillers, heat pumps, and cold storage applications.
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Product Overview
Emerson XB-1019 MW55-1B (057370) Power Assembly
Key Features & Benefits
Precise Superheat Control: The integrated sensing bulb accurately detects evaporator outlet temperature, while the external equalizer compensates for evaporator pressure drop, ensuring consistent superheat control even in systems with significant line losses.
5FT Capillary Tube: Equipped with a 5-foot (1.5m) capillary tube, offering flexible installation options for various system layouts.
1/4" SAE External Equalizer: Standard 1/4" SAE interface ensures reliable connection to expansion valve bodies, maintaining compatibility with TCLE/TJLE/TJRE series valves.
Multi-Refrigerant Compatibility: Designed for use with R134a, R12, and R401A refrigerants, providing versatility across different system types.
Durable Construction: Built to strict Emerson quality standards with corrosion-resistant materials, ensuring long-term reliability in demanding refrigeration environments.
Modular Maintenance: The power assembly can be replaced without removing the entire valve, reducing system downtime and maintenance costs.
Application Scenarios
Commercial air conditioning and rooftop units
Water chillers and heat pump systems
Cold storage warehouses and walk-in coolers
Industrial refrigeration and process cooling systems
Retrofit projects for TCLE/TJLE/TJRE series expansion valves
| Parameter | Specification |
|---|---|
| Brand | Emerson (Alco Controls) |
| Model Number | XB-1019 MW55-1B |
| PCN (Part Control Number) | 057370 |
| Product Type | Thermostatic Expansion Valve Power Assembly |
| Compatible Valves | TCLE, TJLE, TJRE Series Expansion Valves |
| Capillary Length | 5 FT (1.5 m) |
| External Equalizer Connection | 1/4" SAE |
| Compatible Refrigerants | R134a, R12, R401A |
| Temperature Range | -50℉ ~ +50℉ (-45℃ ~ +10℃) |
| Application | Commercial AC, Chillers, Heat Pumps, Cold Storage, Industrial Refrigeration |
| Product Specification | Overall Dimensions (L*W*H) | Weight | Input Power |
|---|---|---|---|
| XB-1019HCA-1B | 83*13*53mm | 3kg | 1 |
| XB-1019HZ-1B | 83*13*53mm | 3kg | 1 |
| XB-1019NC-1B | 83*13*53mm | 3kg | 1 |
| XB-1019MC-1B | 83*13*53mm | 3kg | 1 |
| XB-1019SC-1B | 83*13*53mm | 3kg | 1 |
| XB-1019HC-1B | 83*13*53mm | 3kg | 1 |
| XB-1019HW100-1B | 83*13*53mm | 3kg | 1 |
| XB-1019NW100-1B | 83*13*53mm | 3kg | 1 |
| XB-1019MW55-1B | 83*13*53mm | 3kg | 1 |
| XB-1019SZ-2B | 83*13*53mm | 3kg | 1 |
| XB-1019CL-2B | 83*13*53mm | 3kg | 1 |
| XB-1019HC-2B | 83*13*53mm | 3kg | 1 |
| XC-726HC-4B | 83*13*53mm | 3kg | 1 |
| XB-1019HW100-2B | 83*13*53mm | 3kg | 1 |
| XB-1019SZ-1B | 83*13*53mm | 3kg | 1 |
| XB-1019SW40-1B | 83*13*53mm | 3kg | 1 |
| XC-726HC-2B | 83*13*53mm | 3kg | 1 |
| XC-726HW100-2B | 83*13*53mm | 3kg | 1 |
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