Straight dampers type B

Illustration

Gallery

Description

Application

Straight dampers type B are used to adjust air flow in ventilation ducts of round cross-section. Straight dampers type B may be mounted in both, overpressure and negative pressure parts of ventilation installation.

Construction

Straight dampers type B consist of

1- housing,

2-shutter,

3-guide,

4- flanges,

5 – tightening screw.

Order example

Straight damper B – 250

Dimension table

Dimension
d		 d1 d2 hmax* h1 n weight
mm mm mm mm szt kg
80 140 110 270 140 4 1,6
90 150 120 395 155 4 1,75
100 160 130 320 170 4 2
110 170 140 345 185 4 2,15
125 185 155 380 205 8 2,45
140 200 170 420 230 8 2,75
160 220 190 470 260 8 3,15
180 240 210 520 290 8 3,6
200 260 230 570 320 8 4
225 285 255 630 355 8 4,6
250 310 280 695 395 8 5,15
280 340 310 770 440 8 5,8
315 375 345 855 490 12 6,7

* dimension h at fully open aperture