Technical target of Exhaust smoke and smoke proof valve

No.

Name

Specification

1

Specification of flange

long side A or diameterφof valve(mm)

width of flange side(mm)

≤160

25

Area<0.15m²(500×300)

30

>630-1500

40

>1500

50

≤φ320

25

320≤φ500

30

≥φ560

40

2

temperature fuse

Static project operating temperature 280°C, valve close

3

valve body

2.0mm

4

blade

2.0mmcold pilger plate

5

axial blade

φ12.7mm round copper

6

shaft housing

1.5mm brass

7

coefficient of drag of valve

0.4-0.5 when the valve is full open

8

size of inspection hole

small valveφ50*25,large valve φ75*30

9

surface rust prevention

cover anti-corrosive primer on both on the outer surface ,fire resisting paint on outer surface.

10

ring flange

the distance between flange and interconnected points of valve body is below 65mm

distance between flange and bolt hole connected with wind tube is 100mm,φ9.5mm

11

auto-manual closing handling device

voltage rating

DC24V±10%

rated current

0.7A

micro switch

contact ratingAC380V,3A

motion deflection distance

10-70kg,f/cm

motion type

auto-manual close

reset type

hand-reset start

12

Avional louvered air diffuser

is only applied for Multi-Blade fire damper and multi-valve supply-air outlet

13

air leakage

under standard conditions, it is not more than 700m³/m².h when two sides psid is 300Pa after the valve close.

14

valve height(B),width(A)(mm)

below 250              

320

400

500

630

800     A≤1000

800 A>1250

800 A>1250

1250 A>1250

No. of closing handling device(unit)

1

1

1

1

1

1

2

2

2

number of valve blades(unit)

1

2

2

3

3

4

6

6

6