Samson 3730-0 Mounting And Operating Instructions - page 23
EB 8384-0 EN
23
Attachment to the control valve – Mounting parts and accessories
Attachment to NAMUR rib (see Fig. 8)
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Requiredmountingpartsandaccesso-
ries:Table 6onpage 33
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Observethetraveltableonpage 13.
1. Series 240 Valves, actuator size up to
1400-60 cm²:Screwthetwobolts(14)
tothebracketofthestemconnectoror
directlytothestemconnector(depending
ontheversion),placethefollowerplate
(3)ontopandusethescrews(14.1)to
fastenit.
Type 3251 Valve, 350 to 2800 cm²:
Screwthelongerfollowerplate(3.1)to
thebracketofthestemconnectorordi-
rectlytothestemconnector(depending
ontheversion).
Type 3254 Valve, 1400-120 to
2800 cm²:Screwthetwobolts(14)to
thebracket(16).Fastenthebracket(16)
ontothestemconnector,placethefollow-
erplate(3)ontopandusethescrews
(14.1)tofastenit.
MountthepositionerontheNAMURrib
asshowninFig. 8.
2. For attachment to the NAMUR rib,fas-
tentheNAMURconnectionblock(10)
directlyintotheexistingyokeboreusing
thescrewandtoothedlockwasher(11).
AlignthemarkingontheNAMURvalve
connection(onthesidemarked‘1’)to
50 %travel.
For attachment to valves with rod-type
yokesusingtheformedplate(15),which
isplacedaroundtheyoke:screwthefour
studsintotheNAMURconnectionblock
ontherodandpositiontheformedplate
(15)ontheoppositeside.Usethenuts
andtoothedlockwasherstofastenthe
formedplateontothestuds.Alignthe
markingontheNAMURvalveconnec-
tion(onthesidemarked‘1’)to50 %
travel.
3. Placetheadapterbracket(6)onthepo-
sitionerandmountusingthescrews
(6.1).Makesurethatthesealsarecor-
rectlyseated.Forpositionerswith air
purging,removethestopper(5)before
mountingthepositioner.Forpositioners
without air purging,replacethescrew
plug(4)withaventplug.
4. Selectrequiredleversize(1)M,LorXL
andpinpositionaccordingtotheactua-
torsizeandvalvetravellistedinthetrav-
eltableonpage 13.
Shouldapinpositionotherthanposition35
withthestandardMleverberequired,oran
LorXLleversizeberequired,proceedas
follows:
−
Screwthefollowerpin(2)intheas-
signedleverhole(pinpositionasspeci-
fiedinthetraveltable).Onlyusethelon-
gerfollowerpin(2)includedinthe
mountingkit.
−
Placethelever(1)ontheshaftofthepo-
sitionerandfastenittightusingthedisk
spring(1.2)andnut(1.1).
−
Moveleveronceallthewayasfarasit
willgoinbothdirections.