3 Installation
Study the instructions carefully.
The valve is supplied as separate parts to facilitate the welding.
LKB UltraPure: for ISO, DIN and ASME tubes
3.3 Welding
S
Stteepp 11
1. Weld the valve body halves into the pipelines.
2. Maintain the minimum clearance (A) so that the actuator can be removed.
3. If welding both valve body halves, ensure that they can be moved axially B
B11 m
mm
m, so that the valve parts can be removed.
4. After welding assemble the valve in accordance with the steps 1-5 in section 5.3 Valve assembly.
P
Prree--uussee cchheecckk
Open and close the valve several times to ensure that the valve disc moves smoothly against the seal ring.
P
Paayy ssppeecciiaall aatttteennttiioonn ttoo tthhee w
waarrnniinnggss!!
A
A
((m
mm
m))
Ø
Ø8855
Ø
Ø113333
S
Siizzee
LLK
KLLA
A
LLK
KLLA
A--TT
LLK
KLLA
A
LLK
KLLA
A--TT
B
B
11
((m
mm
m))
25 mm/1”
245
20
38 mm/1½”
245
20
51 mm/2”
255
20
63.5 mm/2½”
265
24
76.1 mm/3”
265
24
101.6 mm/4”
290
420
37
DN25
245
20
DN32
245
20
DN40
250
20
DN50
260
20
DN65
270
24
C
Caauuttiioonn!!
DN80
275
23
DN100
290
+ 172
(incl. top unit)
420
+ 172
(incl. top unit)
37
TD 403-088
A
B
1
9
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