The SG protective grilles serve as protection against touching and foreign bodies entering the fan. The SG protective grilles are mounted on the inlet or discharge. The SG circular duct fan guards are made of galvanized steel. The SG grilles are attached with self-tapping screws.

DEF T are protective grilles designed for mounting between flanges. DEF T protective grilles are made of galvanized sheet metal.

DEF D are protective grilles designed for the motor side of axial fans. DEF D protective grilles are electroplated. Stable design of protective grilles suitable for TGT, THGT fans.

DEF A8 are protective grilles designed for axial fans. DEF A8 grilles are painted. Stable design of DEF A8 protective grilles for TGT, THGT fans. The distance between the circles of the protective grilles is 8 mm.

DEF AN are protective grilles for HCBT axial fans with diameters of 800, 900 and 1000 mm.

SG-AXC are protective grilles designed for AXC type axial fans. SG-AXC grilles are made of steel wire and are covered with black paint.

The MRJ protective grilles serve as a protection against contact and ingress of foreign bodies into the fans and are supplied with the TD Mixvent / TD Silent / TD Ecowatt duct fans as a direct accessory. The MRJ protective grilles are mounted on the suction or discharge of the circular TD duct fans.