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2.2
Device models
Gas pressure
regulator versions
HON 650 pilot models
Control stage models
Models for the optional
load limiting stage
HON 512 with HON 650 pilot user manual
Gas pressure regulators consisting of an HON 512 regulator unit combined with an HON 650
pilot are available in a number of versions. These versions are derived from the various
possible combinations between the various pilot and actuator assembly versions.
The HON 650 pilot features a number of individual expansion options.
The following individual components are always part of the device:
▪ HON 905 fine mesh filter
▪ Inlet pressure gauge
▪ Amplifying valve
▪ Control stage, including spring adjuster and base plate
The following individual components are optional expansions:
▪ Load limiting stage, including spring adjuster and loading pressure gauge
▪ Outlet pressure gauge
▪ With HON 925 protection against overpressure for setpoint ranges W
to 20 bar
▪ Without protection against overpressure for setpoint ranges W
bar
▪ HON 915 vent valve
▪ Electrical remote setpoint adjustment for control stage and/or load limiting stage
The standard HON 650 pilot version features two stages, i.e., it includes both a load limiting
stage and a control stage.
The manufacturer uses designation HON 650-1 for the single-stage pilot version featuring a
control stage but no load limiting stage.
There are three different versions of the individual control stage component installed in the
HON 650 pilot, with the specific version used depending on the control stage's setpoint range
(W
):
d
Setpoint range W
d
0.3 to 1 bar
0.5 to 40 bar
10 to 90 bar
The optional load limiting stage for the HON 650 pilot always features a diaphragm assembly
regardless of the control stage's setpoint range (W
Design
With larger diaphragm assembly
With diaphragm assembly
With metal bellows assembly
).
d
Description
of 0.3
d
of 10 to 40
d
10
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