Disc valves for venting. Installation frame and valve housing connected with a bayonet lock. Continuous regulation of the air flow through a rotating valve disk. Installation with installation frame. Fire resistance class K 90 - 18017. Installation inside and outside fireproof shaft walls. WBV series: With maintenance-free fire protection shut-off device and hermetically sealed release device. TB series: Locking of the shut-off device using a cadmium-free fusible link. The fusible link is triggered at 72 °C or manually. Recommended accessories: Grease trap filter element FFE when used in rooms with greasy exhaust air (e.g. kitchens etc.). Article: TB 15, Air direction: Ventilation, Material: Sheet steel, powder-coated, Color: pure white, similar to RAL 9010, Weight: 0.71 kg, Weight with packaging: 0.725 kg, Fire protection: yes, Suitable for nominal width: 150 mm, Width: 183 mm, Height: 183 mm, Depth: 97 mm, Width with packaging: 185 mm, Height with packaging: 185 mm, Depth with packaging: 170 mm, Approval number: Z-41.3-606, Suitable for box fans: no, Suitable for roof fans: no, Suitable for pipe fans: yes, Suitable for heat recovery systems: no, Suitable for wall-mounted fans: no, Suitable for wall-mounted fans: no, Suitable for residential fans: no, Suitable for centrifugal fans: no, Suitable for Circulation fan: no
| Property | Value |
| Color: | white |
| Material: | steel |
| Shape: | round |
| Front width: | 183 mm |
| Front length: | 97 mm |
| RAL number: | 9010 |
