Emerson Alco 053001 Filter Drier

The Emerson Alco 053001, also identified as the STAS-485-T, is a heavy-duty steel liquid line filter drier designed for high-capacity commercial refrigeration and air conditioning systems. This unit features 5/8" Sweat (ODF) solid copper connections and a 48 cubic inch shell capacity, making it a standard choice for technicians performing system dehydration and contaminant removal. Built to withstand high-pressure environments, it maintains a 680 PSI maximum working pressure and is compatible with a wide range of refrigerants, including R-410A, R-22, and R-134a. As a take-apart filter drier, it utilizes a replaceable core (sold separately) allowing for flexible media selection—such as high-acid or standard moisture removal blocks—without cutting the refrigerant lines. The corrosion-resistant epoxy powder paint finish and 100-mesh outlet screen ensure long-term reliability and compressor protection by preventing solid debris and moisture from entering the expansion valve or refrigeration cycle components.

• Interchangeable Core Design: Compatible with all standard 48 cubic inch cores, allowing for tailored system cleanup and easier maintenance.
• High-Pressure Capability: Rated for 680 PSI, making it suitable for modern high-pressure refrigerants like R-410A.
• Durable Construction: Features a rugged steel shell with an epoxy powder coating to prevent rust in high-moisture environments.
• Full Flow Fittings: Engineered with 5/8" ODF sweat connections to ensure minimal pressure drop across the liquid line.
• Clean System Performance: Integrated 100-mesh outlet screen captures fine particulates before they reach critical system orifices.

Common Questions

Which replacement cores are compatible with the STAS-485-T?
This shell accepts standard 48 cubic inch cores. Depending on the system requirements, you can install the Emerson D-48 for standard moisture removal, the H-48 for high-acid cleanup, or the W-48 for specialized applications. Always verify the core type against the specific refrigerant and oil (POE vs. Mineral) in use.

Can the STAS-485-T be used on the suction line?
While primarily used as a liquid line filter drier, the STAS series can be adapted for suction line service by installing the appropriate suction line core and using the 1/4" NPT access bolt for pressure drop monitoring. However, dedicated "SV" suction models are typically preferred for built-in access ports.

Is this unit a direct replacement for other brands?
Yes, the 053001 / STAS-485-T is functionally identical to the Danfoss 023U7250 and the Sanhua FDSH-48-5-S, utilizing the same 5/8" connections and 48 cubic inch shell sizing for simplified field retrofitting.

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Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.