... NAB20T/S, NAB40T, NAB65T3. Air compressor/pneumatic type disc drum brake DBK, DBG104, DBG105: DBH104, BDH105, and DBH204, DBH205, DBF8, DBF104. ... pressure machinery widely applied in all kinds of mechanical manufacturing: packaging machinery, printing machinery and electronic electrician apparatus, automation machinery, plant ... etc. More than 100 machines. DBK Air Brakes (Type Of Cooling And Fan)