Alfa Laval CPM-2 - 3.3 Welding

3Installation
Studytheinstructionscarefully.
Thevalvehasweldingendsasstandard.Weldcarefully.
CPMI-2:Constant-PressureModulatingInlet.
CPMO-2:Constant-PressureModulatingOutlet.
3.3Welding
Step Step
Step
1 1
1
DismantlethevalveinaccordancewithStep1-Step4inchapter
5.2Dismantling.
Payspecialattentiontothewarning!
Step Step
Step
2 2
2
CPMI CPMI
CPMI
- -
-
2: 2:
2:
1.Weldthevalvebodyintothepipelines.
2.Maintaintheminimumclearancesothattheinternalvalveparts
canberemoved.
A=200mm(withoutbooster)/250mm(withbooster)
Step Step
Step
3 3
3
CPMO CPMO
CPMO
- -
-
2: 2:
2:
1.Weldthevalvebodyintothepipelines(seealsoStep4).
2.Maintaintheminimumclearancesothatthevalveplugcan
beremoved.
A=150mm(withoutbooster)/200mm(withbooster)
B=250mm
Caution! Caution!
Caution!
Step Step
Step
4 4
4
CPMO CPMO
CPMO
- -
-
2: 2:
2:
Neverweldthebottomconnectionasthiswillmakeitimpossible
todismantlethevalve.
Onlyfittings!
Step Step
Step
5 5
5
AssemblethevalveinaccordancewithStep6-Step10inchapter
5.3Assembly.
Tightenclamp10-15Nm(7.5-11lbf-ft)
10