
Filter Drier Emerson
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Emerson is a major manufacturer of HVACR (Heating, Ventilation, Air Conditioning, and Refrigeration) components, including a comprehensive line of filter driers. These components are crucial for protecting a refrigeration or air conditioning system from moisture, acid, and solid contaminants.
Types of Emerson Filter Driers
Emerson offers several series of filter driers, each designed for specific applications:
- EK Series (Liquid Line): This is one of Emerson’s most popular filter drier lines. It’s a premium, compacted bead filter drier suitable for a wide range of refrigerants, including CFC, HCFC, and HFC refrigerants like R-134a, R-22, R-404A, R-407C, and R-410A. The EK series is known for:
- High efficiency: It features a 20-micron final filter and a 40-micron initial filter to remove a wide range of contaminants.
- High capacity: The desiccant blend is optimized for high moisture and acid removal.
- Durability: They are constructed with a shock-resistant steel shell and have a corrosion-resistant epoxy powder paint finish.
- POE Oil Compatibility: The EK series is specifically designed to work with polyol ester (POE) oils, which are common in modern HFC systems. POE oils are hygroscopic (they absorb moisture readily), so a high-capacity drier is essential.
- Suction Line Filter Driers: These are installed in the suction line, typically after a compressor burnout or when a system has been exposed to significant contamination. They are designed to clean up the system and prevent debris from damaging the new compressor.
- ASD Series: A premium suction line filter-drier optimized for high moisture, acid, and solid contaminant removal.
- ASK Series: Utilizes a solid core with an activated carbon blend to maximize acid, moisture, and wax removal.
- CSFD Series: A compact solid desiccant core filter drier for use in short lay-in applications.
- Replaceable Core Filter Driers: Used in larger systems, such as screw chillers, where regular maintenance and core replacement are necessary.
- STAS Take-Apart Series: Designed for liquid and suction lines, these have a removable core for easy maintenance.
- D-48, UK-48, W-48, H-100 Series: These are the replaceable cores themselves, with different blends of desiccants for various applications (e.g., high acid removal, high moisture and acid removal, burnout cleanup).
- Bi-Directional Filter Driers: Designed for heat pump applications where refrigerant flow reverses direction.
- BFK Series: Solid core, bi-directional liquid line filter drier with internal check valves to allow flow and filtration in either direction.
Key Features and Specifications
When selecting an Emerson filter drier, you’ll need to consider several specifications:
- Refrigerant Compatibility: Ensure the filter drier is compatible with the specific refrigerant used in your system (e.g., R-410A, R-134a, R-22, etc.).
- Connection Type and Size: Filter driers come with either flare or solder connections. The size must match the refrigerant line diameter (e.g., 1/4″, 3/8″, 1/2″, etc.).
- Capacity (Cubic Inches): This refers to the volume of desiccant inside the drier. A larger capacity drier can absorb more moisture and contaminants. Emerson’s EK series, for example, comes in sizes from 3 to 75 cubic inches.
- Flow Capacity (Tons): This indicates the amount of refrigeration capacity the drier can handle with a minimal pressure drop. It’s typically measured in tons.
- Maximum Working Pressure (MWP): This is the highest pressure the drier is designed to withstand. Emerson’s EK series has a high MWP of 680 psig, which is important for high-pressure refrigerants like R-410A.
How to Select a Filter Drier
Choosing the right filter drier is critical for system longevity and efficiency. Consider these factors:
- System Application: Is it a residential AC unit, a commercial refrigerator, or a heat pump? The application dictates the type of drier needed (e.g., bi-directional for a heat pump).
- Refrigerant Type: Match the drier to the refrigerant and the type of oil (e.g., POE, mineral oil).
- System Condition: For a standard installation, a liquid line filter drier is sufficient. For a compressor burnout or a highly contaminated system, a suction line filter drier with high acid and wax removal capacity is recommended.
- System Size: The cubic inch and tonnage capacity of the drier should be matched to the system’s size to ensure it can effectively handle the volume of refrigerant without causing a significant pressure drop.
- Connection: Choose a drier with the appropriate connection type (flare or solder) and size for the line it will be installed in.
Filter Drier Emerson
Filter Drier
EK-052
EK-163
EK-164
EK-165
EK-304
EK-305
EK-306
EK-307
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