Samson 3730-4 - Page 25

EB 8384-4 EN 25
Attachment to the control valve – Mounting parts and accessories
4.2 Attachment according to
IEC60534-6
− Required mounting parts and accesso-
ries: Table3 on page50
− Observe the travel table on page19.
Fig.5
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) rst 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
range to the NAMUR bracket (the
slot of the follower plate is centrally
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
Fig.5: Attachment according to IEC60534-6 (NAMUR)
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!