DANFOSS

DML 164S Hermetic Filter Drier 023Z506791

The Danfoss DML 164S hermetic filter drier, part number 023Z506791, is a liquid line filter drier from the Danfoss ELIMINATOR DML series. It is designed for refrigeration and air-conditioning systems where moisture removal, contamination control and reliable system protection are required. Danfoss official product information identifies this item as Hermetic filter drier, DML, 16 cu.in., Copper. For accurate purchasing and replacement, the complete model and part number should always be used together: DML 164S / 023Z506791.

According to Danfoss official product data, the DML 164S 023Z506791 filter drier has a 16 cu.in. core size code and uses a solid core. The product is listed as a liquid line filter drier with high moisture capacity. The core composition is listed as 100% molecular sieve and 0% activated alumina. This makes the DML series suitable for applications where high water adsorption capacity is needed in the refrigeration circuit.

The connection configuration is important for replacement. This Danfoss DML 164S hermetic filter drier uses 1/2 inch inlet connection size and 1/2 inch outlet connection size. Both inlet and outlet connection types are listed as Solder, ODF, and the connection material is copper. The body material is steel. Because filter driers are installed directly in the refrigerant line, buyers should confirm the pipe size, connection type, flow direction and installation space before ordering.

Danfoss official data lists the maximum working pressure for DML 164S 023Z506791 as 46 bar, equal to 667 psig. The listed temperature range is -40 °C to 70 °C, or -40 °F to 160 °F. The product is marked as non-serviceable, which means the complete filter drier should be replaced rather than serviced internally. The flow direction indicator is listed as a label-printed one-way arrow, so the installation direction should be checked carefully during replacement.

The DML 164S hermetic filter drier 023Z506791 is compatible with many refrigerants listed by Danfoss, including R134a, R22/R407C, R32, R404A, R407A, R407F, R407H, R410A, R448A, R449A, R450A, R452A, R507A, R513A and other refrigerants shown in the Danfoss product data. Danfoss also lists oil-free refrigerants such as R1234ze(E), R134a, R513A and R515A. Refrigerant compatibility should always be checked together with the actual system design, oil type and service requirements.

Official performance data for this product includes liquid flow capacity values under ARI 710-2009 conditions. Danfoss lists flow capacity values including 26.6 kW for R134a, 40.5 kW for R32, 18.7 kW for R404A, 27.2 kW for R407C, 27.7 kW for R410A and 18.1 kW for R507. These values should be reviewed according to the refrigerant, liquid temperature, evaporating temperature and pressure drop conditions used in the system.

The Danfoss DML 164S filter drier is commonly used in refrigeration, air-conditioning and cooling systems where the liquid line requires moisture protection and filtration. It helps protect expansion valves, compressors and other system components by reducing moisture and solid contamination in the refrigerant circuit. The exact sizing should be confirmed based on refrigerant type, system capacity, line size and service condition.

For procurement teams and maintenance engineers, the key purchasing reference is the complete Danfoss type designation DML 164S and part number 023Z506791. Short descriptions such as “DML filter drier” or “Danfoss 164S” are not enough for accurate replacement, because the DML series includes different core sizes, connection sizes, connection types and packing formats. The EAN for this item is listed as 5702428650199, and the packing format is listed as multi pack with 12 pieces per packing format.

Hydraulics Worldwide supplies refrigeration components, filter driers and industrial spare parts for international customers. If you are sourcing the Danfoss DML 164S hermetic filter drier 023Z506791, send us the complete part number, required quantity and delivery destination for quotation support. You can also browse more industrial components from Hydraulics Worldwide or verify the manufacturer reference on the Danfoss official product page.

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