Mushroom Ventilation Head

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