EasyManua.ls Logo

GF INSTAFLEX HWSG 3 - Cooling Time; Pressure Test; Operation of the Electrofusion Unit

GF INSTAFLEX HWSG 3
15 pages
Go to English
Print Icon
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Loading...
20
21
Pressure test
Allfusionjointsmustcooloffcompletelybeforethe
pressuretestcommences.Asarule,awaiting
periodofat least 1 hourshouldbeobservedafter
completionofthelastfusionjointingoperation.
Operation of the HWSG-3 electrofusion unit
Thefollowingconditionsmustbefulfilledfor
faultfreeoperationofthefusionjointingunit:
mainsvoltage min.185 V max. 264 V
mainsfrequency min.47 Hzmax.65 Hz
temperature min.–15°Cmax.40°C
Theselevelsareverifiedcontinuouslybythefusion
unitduringthefusionjointingoperation.Inthe
eventofvariationsthefusionprocessisinterrupted
and the Faultpilotlampflashes.
Fusion check
Avisualcheckthatfusionhastakenplaceis
providedbytheemergenceofapinofmaterial.
Connectthefusionunittothemainspowersupply.
Insertfusioncableinfittingorfittings.
Startthefusionoperationbypressingthe
STARTbutton.
Pipeoutside FusiontimeCoolingtime
diameter
d t t1
mm Sekunden Minuten
16 37 2
20 47 2
25 55 2
32 70 4
40 120 4
50 145 4
63 180 6
75 185 6
90 200 6
110 210 6
Duringthefusionjointingoperationthecomponents
beingjoined–thefittingandthepipe–mustonly
besubjectedtotheloadsarisingduringnormal
installationaccordingtoinstructions(linefixing).
Cooling time:
Thefusionjointedcomponents(fittingandpipe)
mustnotbesubjectedtothestrainoffurther
installationworkuntilthecoolingtimehasexpired.