Attachment to NAMUR rib (see Fig. 9)
Refer to Table 4 on page 18 for the required
mounting parts as well as the accessories.
Note the travel table on page 15.
1.
Series 240 Valves, actuator size up to
1400-60 cm²:
Screw the two bolts (14)
to the bracket of the stem connector or
directly to the stem connector (depend-
ing on the version), place the follower
plate (3) on top and use the screws
(14.1) to fasten it.
Type 3251 Valve, 350 to 2800 cm²:
Screw the longer follower plate (3.1) to
the bracket of the stem connector or di-
rectly to the stem connector (depending
on the version).
Type 3254 Valve, 1400-120 to
2800 cm²:
Screw the two bolts (14) to
the bracket (16). Fasten the bracket (16)
onto the stem connector, place the fol-
lower plate (3) on top and use the
screws (14.1) to fasten it.
Mount the positioner on the NAMUR rib as
shown in Fig. 9.
2. For
attachment to the NAMUR rib
, fas-
ten the NAMUR connection block (10)
directly into the existing yoke bore using
the screw and toothed lock washer (11).
Align the marking on the NAMUR valve
connection (on the side marked '1') to
50 % travel.
For
attachment to valves with rod-type
yokes
, use two U-bolts (15) around the
stem.
Fasten the NAMUR connection block
(10) directly into the existing yoke bore
using the screw and toothed lock washer
(11). Align the marking on the NAMUR
connection block (on the side marked
'1') to 50 % travel.
3. Place the adapter bracket (6) on the
positioner and mount using the screws
(6.1). Make sure that the seals are cor-
rectly seated. For positioners
with air
purging
, remove the stopper (5) before
mounting the positioner.
For positioners
without air purging
, re-
place the screw plug (4) with a vent plug.
4. Select required lever size (1)
M
,
L
or
XL
and pin position according to the actua-
tor size and valve travels listed in the ta-
ble on page 15.
Should you require a pin position other than
position
35
with the standard installed lever
M
, or require a lever size
L
or
XL
, proceed
as follows:
– Screw the follower pin (2) in the as-
signed lever bore (pin position) as listed
in the table. Only use the longer follower
pin (2) included in the mounting kit.
– Place lever (1) on the positioner shaft
and screw tight using the disk spring
(1.2) and nut (1.1).
– Move the lever once all the way as far
as it will go in both directions.
5. Insert formed seal (6.2) in the groove of
the adapter bracket.
6. Insert the formed seal (17.1) into the
turnboard (17) and mount the turnboard
to the adapter block (13) using the
screws (17.2).
EB 8384-4 EN
29
Attachment to the control valve – Mounting parts and accessories
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