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Pilot dimensions and
weights
HON 5020 gas pressure regulator with HON 640a / HON 642a pilot
Imperial HON 640a
Diaphragm measuring unit
W
= 1 - 40 bar
d
Weight
[lbs]
Diaphragm measuring unit: 4.2
Metal bellows measuring unit: 7.3
Imperial HON 642a
Diaphragm measuring unit
W
A
B
C
[in]
[in]
[in]
6.3
3.6
6.8
H
I
J
[in]
[in]
[in]
8.3
12,3
8.3
= 1 - 40 bar
d
Description
Metal bellows measuring unit
W
= 40 - 90 bar
d
D
E
F
G
[in]
[in]
[in]
[in]
9.9
2.8
3.9
4.4
K
L
M
N
[in]
[in]
[in]
[in]
4.8
14,6
10,7
6.5
20
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