Alfalaval Unique Mixproof - Page 15

3 Installation
Study the instructions carefully and pay special attention to the warnings!
Thevalvehasendsforweldingasstandard.
Weld carefully/aim at stressless welding to avoid deformation on sealing areas.
Check the valve for smooth operation after welding.
NOTE!
If ThinkTop® is mounted, add 180 mm (7,1”) to B measure.
Table 3 and 4
1. Lower sealing element can only be dismantled if actuator
and internal parts are removed.
A
C
B
TD 449-024_1
Table 2.
ISO
DIN
DN/OD DN/OD DN/OD DN/OD DN/OD
DN DN DN DN DN DN DN
Size
38
51
63.5 76.1 101.6 40 50 65 80 100 125 150
A
Basic/Seat Clean
120 140 170 170 200 120 140 170 160 200 250 235
PMO
135 145 165 189
A
HighClean/UltraClean
170 190 220 220 270 170 190 220 210 270 320 305
PMO
190 220 240 259
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