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Connection lines
Accuracy class AC and
look-up pressure class SG
Gas properties
ATEX specifications
HON 512 with HON 650 pilot user manual
Specific set range W
ds
20 – 90 bar
(290 – 1305 psi)
Load limiting stage
0.5 – 10 bar
(7.3 – 145 psi)
Automatically over outlet
pressure p
d
25
Inlet pressure line
Ø10
pipe
Inlet pressure line
M14 x
thread
1.5
Measuring impulse
line pipe
Measuring impulse
line thread
Bleed/Return line
12 x 1.5
pipe
Bleed/Return line
M16 x
thread
1.5
Vent line pipe
Vent line thread
The following accuracy class and look-up pressure class apply to gas pressure regulators
consisting of an HON 512 actuator assembly combined with an
HON 650 pilot.
Setpoint range W
[bar]
d
0.3 – 0.5
> 0.5 – 1
> 1 – 2.5
> 2.5 – 5.0
> 5.0
The properties of the gas conveyed through the gas pressure regulator consisting of an HON
512 actuator assembly combined with an HON 650 pilot must meet the requirements speci-
fied by the DVGW German Technical and Scientific Association for Gas and Water in the latest
version of DVGW Code of Practice G 260 (A).
The device's mechanical components do not contain any potential sources of ignition, and
accordingly do not fall under the scope of ATEX 95 (94/9/EC). The electrical components used
on the device meet all applicable ATEX requirements.
Pilot spring
7
White
Green
Inlet DN nominal size
50
80
100
Ø10
Ø10
Ø10
M14 x
M14 x
M14 x
1.5
1.5
1.5
12 x 1.5
M14 x 1.5
12 x 1.5
16 x 2.0
16 x 2.0
M16 x
M22 x
M22 x
1.5
1.5
1.5
12 x 1.5
M14 x 1.5
Accuracy class AC
10
10
2.5
1
1
Description
9
5.0
150
200
250
Ø10
Ø10
Ø10
M14 x
M14 x
M14 x
1.5
1.5
1.5
16 x 2.0
16 x 2.0
16 x 2.0
M22 x
M22 x
M22 x
1.5
1.5
1.5
Look-up pressure class SG
30
20
10
10
5
30
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