Air Brakes Light weight Nice in appearance Easily operate Air Brakes 1. The air pressure ventilation shaft clutch: NAC5, NAC10, NAC40, NAC602. Air pressure ventilation shaft brakes: NAB5T/S, NAB10T/S, NAB20T/S, NAB40T, NAB65T3. Air compressor/pneumatic type disc drum brake DBK, DBG104, DBG105: DBH104, BDH105, and DBH204, DBH205, DBF8, DBF104. Hydraulic disc brake: DBM10, DBM20, BST - 2, BST - 45. ...