
over piping. An adapter available as an ac
-
cessory is used for this purpose:
Threaded bushing
(M20 x 1.5):
G ¼
¼ NPT
0310-2619
0310-2550
NOTICE
The adapter uses one of the M20 x 1.5 con
-
nections in the housing which means just
one cable gland can be installed.
4.10 Mounting parts and
accessories
Should other valve accessories be used
which vent the actuator (e.g. solenoid valve,
volume booster, quick exhaust valve), this
exhaust air must also be included in the
purging function. The connection over the
adapter at the positioner must be protected
with a check valve (e.g. check valve G ¼,
order no. 8502-0597) mounted in the pip
-
ing. Otherwise the pressure in the positioner
housing would rise above the ambient pres
-
sure and damage the positioner when the
exhausting components respond suddenly.
42 EB 8384-4 EN
Attachment to the control valve – Mounting parts and accessories
Table 1 · Direct attachment to Type 3277-5 Actuator (Fig. 4)
Order no.
Mounting parts
Standard version for actuators 120 cm² or smaller 1400-7452
Version compatible with paint for actuators up to 120 cm² 1402-0940
Accessories for
the
actuator
Switchover plate (old) for Actuator Type 3277-5xxxxxx.00 (old) 1400-6819
Switchover plate new for Actuator Type 3277-5xxxxxx.01 (new)
1)
1400-6822
Connecting plate new for Actuator Type 3277-5xxxxxx.01 (new)
1)
: G
1
8
and
1
8
NPT 1400-6823
Connecting plate old for Actuator Type 3277-5xxxxxx.00 (old): G
1
8
1400-6820
Connecting plate old for Actuator Type 3277-5xxxxxx.00 (old):
1
8
NPT 1400-6821
Accessories for
the
positioner
Connecting plate (6)
G ¼ 1400-7461
¼ NPT 1400-7462
Pressure gauge bracket (7)
G ¼ 1400-7458
¼ NPT 1400-7459
Pressure gauge mounting kit (8) up to max. 6 bar (output/supply)
St. steel/brass 1400-6950
St. steel/St. st. 1400-6951
1)
Only new switchover and connecting plates can be used with new actuators (Index 01).
Old and new plates are not interchangeable.
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