The DK50- PLUS S/M is fitted with an auto drain + bottle, MDR2 pressure switch, cooling fan and Siemens motor as standard. The membrane dryer will provide a -20 atmospheric dew point (+3 pressure dewpoint), whereas the NPSL dryer will deliver a -40 pressure dewpoint @ 7 bar. The soundproof cabinet with reduce the noise level to 51.5 dB(A). This unit is 100% duty and extremely easy to install.
Highly recommended, as you can position the compressor almost anywhere due to the noise level.
Membrane dryer = Class 4 air quality
NPSL dryer = Class 2 air quality