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Hermetic Filter Dryer Danfoss DML 034S – Copper-plated Steel, 023Z4556
The hermetic filter dryer is designed to remove moisture and contaminants from refrigerant in air conditioning and refrigeration systems. The product belongs to the DML ELIMINATOR® series. The filter is made of external steel with connections plated in copper (Cu-plated), which ensures durability and good thermal conductivity. The filter features a permanent, one-piece core made of molecular sieves, which guarantees high drying efficiency and minimal pressure drop.
The filter dryer is designed to work with a wide range of refrigerants, including HFC and HCFC, and its design ensures hermeticity and resistance to high working pressure up to 46 bar. The DML filter is used in commercial and industrial installations where protection of the system from moisture, acids and solid particles is important.
Key features
- Hermetic DML ELIMINATOR® filter dryer – high drying efficiency.
- Made of steel with copper-plated connections (Copper-plated steel).
- Permanent core made of molecular sieves with high moisture absorption efficiency.
- High working pressure — up to 46 bar (667 psig).
- Designed for a wide range of refrigerants (including R134a, R32, R404A, R407C, R410A, R507 and others).
- Minimal pressure drop at nominal flow rate.
- Brazed connections (solder/ODF) — typical for refrigeration installations.
- Reduces moisture and risk of acid formation in the cooling circuit.
Technical data
| Model | 023Z4556 (DML) |
|---|---|
| Type | Hermetic filter dryer |
| Series | DML ELIMINATOR® |
| Connections | Copper-plated steel (brazed), O 1/2" |
| Core type | Permanent core / molecular sieve |
| Acid absorption capacity | 0.20 g / 0.007 oz |
| Max. working pressure | 46 bar / 667 psig |
| Compatible refrigerants | R134a, R32, R404A, R407C, R410A, R507, other HFC/HCFC |
| Connection diameter | 1/2" |
| Flow direction | One-way (indicated by arrow) |
| Standards / Approvals | UL - SA6398 |
| Operating temperature | -40 °C … +70 °C (typical) |
| Net volume | 0.051 L (1.72 fl oz) |
Documentation
Illustrative photos