BIDIRECTIONAL FILTER DRIER - For Heat Pumps, 20-Micron Filtration
Six core advantages that keep your refrigeration system protected around the clock
A non-return valve at each end traps contaminants whether refrigerant flows forward in cooling or in reverse in heating mode.
High-density screen traps metal chips and oxide scale, protecting the 4-way reversing valve and compressor.
An optimized internal flow path keeps pressure loss low in both flow directions without hurting efficiency.
Choose SAE threaded or ODF welded connections; ODF models come with TP2 copper stubs for easy brazing.
Works with R-12, R-134a, R-22, R-404A, R-410A, R-502 and more.
Maximum working pressure of 3.5MPa meets the safety demands of high-pressure heat pumps.
Detailed parameters for a precise match to your application
| Model | Connection Size | Desiccant Volume (cm³) | Filtration Rating | Max. Working Pressure | Connection Type |
|---|---|---|---|---|---|
| KDA-083 | 3/8" | 40 | 20μm | 3.5MPa | SAE/ODF |
| KDA-163 | 1/2" | 75 | 20μm | 3.5MPa | SAE/ODF |
| KDA-164 | 1/2" | 130 | 20μm | 3.5MPa | SAE/ODF |
| KDA-305 | 5/8" | 220 | 20μm | 3.5MPa | SAE/ODF |
| KDA-306 | 3/4" | 310 | 20μm | 3.5MPa | SAE/ODF |
| KDA-309S | 1-1/8" | 750 | 20μm | 3.5MPa | SAE/ODF |
Widely deployed across commercial and industrial refrigeration
Residential/commercial heat-pump water heaters and heating systems.
Air- and water-source heat-pump central AC that switches cooling/heating.
Bi-directional filtration for new-energy vehicle heat-pump AC.
Heat-pump dryers and dehumidifiers that run in both directions.
Kilterra delivers professional refrigeration component solutions with OEM/ODM support.