Samson TROVIS 3730-3, Mounting And Operating Instructions

Page: 49 / 180

EB 8384-3 EN 49
Mounting and start-up
5.4 Attachment according to
IEC 60534-6
Î
Required mounting parts and accesso-
ries: Table 4 on page Seite 23.
Î
Observe travel tables on page Seite
26.
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Refer to Fig. 8
The positioner is attached to the control valve
using a NAMUR bracket (10).
1. Screw the two bolts (14) to the bracket
(9.1) of the stem connector (9), place the
follower plate (3) on top and use the
screws (14.1) for fastening.
Actuator sizes 2800 cm² and 1400 cm²
with 120 mm travel:
−
For a travel of 60 mm or smaller,
screw the longer follower plate (3.1)
directly to the stem connector (9).
−
For a travel exceeding 60 mm, mount
the bracket (16) first and then the fol
-
lower plate (3) to the bracket togeth-
er with the bolts (14) and screws
(14.1).
2. Mount NAMUR bracket (10) to the con-
trol valve as follows:
− For attachment to the NAMUR rib ,
use an M8 screw (11) and toothed
lock washer directly in the yoke hole.
− For attachment to valves with rod-
type yokes , use two U-bolts (15)
around the yoke. Align the NAMUR
bracket (10) according to the em-
bossed scale so that the follower
plate (3) is shifted by half the angle
10
11
1
1
14.1
3
3.1
16
15
14
1
1.2
1.1
2
9.1
9
6.1 6 7 8
Attachment to rod-type yoke:
rods with 20 to 35 mm diameter
Attachment to
NAMUR rib
Additional bracket for
actuators with 2800 cm²
and travel ≥ 60 mm
XL and L lever
1 Lever
1.1 Nut
1.2 Disk spring
2 Follower pin
3 Follower plate
3.1 Follower plate
6 Connecting plate
6.1 Seals
7 Pressure gauge bracket
8 Pressure gauge
mounting kit
9 Stem connector
9.1 Bracket
10 NAMUR bracket
11 Screw
14 Bolt
14.1 Screws
15 U-bolt
16 Bracket
NOTICE !
Only use the connecting plate (6) included in the accessories to
connect supply and output.
Never screw threaded parts directly into housing.
Fig. 8: Attachment according to IEC 60534-6 (NAMUR)