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Hooded Tank Vent
KITO® VH-...-IIC
Type examination certificate to DIN EN ISO 16852
-designation in accordance to ATEX-Guideline 94/9/EC
DN
50 PN 16
80 PN 16
100 PN 16
150 PN 16
200 PN 10
250 PN 10
300 PN 10
350 PN 10
400 PN 10
450 PN 10
500 PN 10
600 PN 10
700 PN 10
800 PN 10
ANSI
2“
3“
4“
6“
8“
10“
12“
14“
16“
18“
20“
24“
-
D1
285
330
405
D2
110
150
185
H
180
190
230
550
315
270
600
395
800
595
1000
700
1200
1400
1600
800
1000
1210
Dimensions in mm
365
360
415
410
425
495
530
570
406
474
465
499
495
568
-
kg*
8
13
18.2
36.3
39.8
73.8
73
111.8
126.8
172.6
250.2
348.3
456.6
* weight refers to the standard design
Example to order :
®
KITO VH-300-IIC
(design with flange connection DN 300)
Design subject to change
performance curves: B 0.7 N
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Standard design
housing
KITO® flame arrester
element
KITO® casing
KITO® grid
weather hood
protective screen
flange connection
Application
: cast steel 1.0619 (> DN 350 steel),
stainless cast steel 1.4408 (> DN 350
stainless steel mat. no.1.4571)
: interchangeable
: steel, stainless steel mat. no. 1.4571
: stainless steel mat. no. 1.4310, 1.4571
: stainless steel mat. no. 1.4301, 1.4571
: stainless steel mat. no. 1.4301
(not for DN 50-100)
: DIN EN 1092-1 form B1
ANSI 150 lbs. RF
As breather/venting safety device incorporating an explosion proof
flame arrester element for installation on top of storage tanks, tank
access covers or breather pipes. The breather allows the
unimpeded flow of gases out to atmosphere and air into the
tank/pipe thereby preventing vacuum locks whilst ensuring
provision of a permanent and reliable protection against any
flashback into the tank/pipe.
This device is not permitted to be installed in enclosed areas.
Approved for all materials of the explosion group IIC with a maximum experimental safe gap (MESG) < 0.5.
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B7N
11.11
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Hooded Tank Vent
KITO® VH-...-IIC
B7N
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Flow capacity V based on air of a density ρ = 1.29 kg/m³ at T = 273 K and atmospheric pressure
p = 1.013 mbar. For other gases the flow can be approximately calculated by
.
.
V  Vb 
b
1.29
.
or
.
Vb  V 
1.29
b
1000
DN 800
DN 700
500
DN 600
DN 500
DN 400
DN 350
DN 300
DN 250
DN 200
DN 150
100
/min)
50
.
gas flow V (Nm
3
DN 100
DN 80
10
DN 50
5
1
0,5
0,1
1
2
3
4 5
8 10
pressure drop
20
30 40 50
80 100
p (mbar)
Design subject to change
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B 0.7 N
11.11