Samson 3730-0 Mounting And Operating Instructions - Iec 60534-6 (Namur)
18
EB 8384-0 EN
Attachment to the control valve – Mounting parts and accessories
4.2 Attachment according to
IEC 60534-6 (NAMUR)
Thepositionerisattachedtothecontrolvalve
usingaNAMURbracket(10).
Refer to Table 5 on page 33 for the re-
quired mounting parts and accessories listed
with their order numbers.
Refer to travel table on page 13.
1. Screwthetwobolts(14)tothebracket
(9.1)ofthestemconnector(9),placethe
followerplate(3)ontopandusethe
screws(14.1)tofastenit.
Actuator sizes 2800 cm² and 1400 cm²
with 120 mm travel:
For a travel of 60 mm or smaller,screw
thelongerfollowerplate(3.1)directlyto
thestemconnector(9).
For a travel exceeding 60 mm,mount
thebracket(16)firstandthenthefollow-
erplate(3)tothebrackettogetherwith
thebolts(14)andscrews(14.1).
2. MountNAMURbracket(10)tothecon-
trolvalveasfollows:
For attachment to the NAMUR rib,use
anM8screw(11)andtoothedlock
washerdirectlyintheyokehole.
For attachment to valves with rod-type
yokes,usetwoU-bolts(15)aroundthe
yoke.AligntheNAMURbracket(10)ac-
cordingtotheembossedscalesothatthe
followerplate(3)isshiftedbyhalfthe
bracketrangetotheNAMURbracket
(theslotofthefollowerplateiscentrally
alignedwiththeNAMURbracketatmid
valvetravel).
3. Mountconnectingplate(6)orpressure
gaugebracket(7)withpressuregauges
(8)onthepositioner,makingsurethe
twoseals(6.1)areseatedproperly.
4. Selectrequiredleversize(1)M,L or XL
andpinpositionaccordingtotheactua-
torsizeandvalvetravellistedatthebot-
tomofthetraveltable.
Shouldapinpositionotherthanposition35
withthestandardleverMberequired,ora
leversizeL or XLberequired,proceedas
follows:
5. Screwthefollowerpin(2)intheassigned
leverhole(pinposition)aslistedinTa-
ble 2onpage 13.Onlyusethelonger
followerpin(2)includedinthemounting
kit.
6. Placethelever(1)ontheshaftofthepo-
sitionerandfastenittightusingthedisk
spring(1.2)andnut(1.1).
NOTICE
If a new lever (1) has been mounted,
move it once all the way as far as it
will go in both directions.
7. PlacepositionerontheNAMURbracket
insuchamannerthatthefollowerpin
(2)restsintheslotofthefollowerplate
(3,3.1).Adjustthelever(1)correspond-
ingly.
ScrewthepositionertotheNAMUR
bracketusingbothitsmountingscrews.
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
Fig. 5: Attachment according to IEC 60534-6 (NAMUR)