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Honeywell VQ400 Series Product Handbook page 9

Universal gas class “a” combination valves
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Model
Connect.
(i
(inch)
VQ420Ax
VQ420Bx--Cx--Ex
VQ420Dx--Fx
VQ425Ax
VQ425Bx--Cx--Ex
VQ425Dx--Fx
VQ440Ax
VQ440Bx--Cx--Ex
VQ440Dx--Fx
VQ450Ax
VQ450Bx--Cx--Ex
VQ450Dx--Fx
(..) 360 mbar versions
Table 2. Dimensions VQ400 Series (see also installation drawing).
h)
A
3/4
204
3/4
204
3/4
204
1
204
1
204
1
204
1 1/2
297
1 1/2
297
1 1/2
297
2
297
2
297
2
297
Overall Dimensions (mm)
B
C
nd
2
main valve
fast
slow
42.5
111.5
157.5
42.5
112
42.5
112
42.5
135.5
181.5
42.5
136
42.5
136
62
174
62
174
62
174
62
174 (184)
228 (238)
62
174 (184)
228 (238)
62
174 (184)
228 (238)
9
D
60
157
60
157
60
64.5
181
64.5
181
64.5
228
63.5
228
63.5
174
63.5
63.5
63.5
63.5
Weight (kg)
g
( g)
E
108
3.5
177
4.8
247
6.1
108
5.0
177
6.3
247
7.6
119
10.7
209
11.9
300
13.5
119
12.1
209
14.1
300
16.4
EN2R--9018 9704R1--NE

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Vq420Vq440Vq425Vq450