Mushroom Ventilation Head
1. Application
Mushroom Ventilation Head used for kitchen and accommodation of ventilator regulating screw, simply turn adjusting handwheel indoors can reach the purpose of adjusting the opening size.
2. Material
- airduct: Q235-A
- flame screen: 1Cr18Ni9
- screw: H62
- handwheel: Q235-A
- pointer: Q235-A
3. Type
Type
Name
Nominal diameter (mm)
A
Inside on-off hood ventilator
150~350
B
Outer on-off obturation ventilator
250~1200
C
Outer on-off obturation axial flow ventilator
250~1200
D
Fixed ventilated canister
200~1200
E
Inside on-off obturation ventilator
150~350
4. Specification
Type
D1
H1
H
DN400
710
105
350
DN450
800
105
375
DN500
890
105
405
DN550
980
105
435
DN600
1060
120
470
DN650
1150
120
500
DN700
1240
120
520
DN750
1320
120
540
DN800
1410
140
560
DN850
1500
140
580
DN900
1580
140
600
DN1000
1760
140
640
DN1100
1930
140
680
DN1200
2100
140
720
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