LEYBOLD TURBOVAC 600 C - Page 23

Installation
23
GA05118_002_C1 - 11/2017 - © Leybold
L2
L1
22,5
Fig. 3.3 Mounting high vacuum flange ISO-K
ISO-K flange at ISO-F flange with claws
Outer ring
O-ring
Centering ring
Claw with bolt
Pump housing with
ISO-K flange
The fastening torque levels apply
to lubricated threads.
TURBOVAC 50 151 / 361 361 / 600 / 1000 / 1100 1000 / 1100
Flange DN 63 ISO-K DN 100 ISO-K DN 160 ISO-K DN 200/250 ISO-K
Number of clamps 4 x M8 8 x M8 8 x M10 12 x M10
Minimum bolt strength,
yield strength
> 450 N/mm
2
> 600 N/mm
2
> 600 N/mm
2
> 600 N/mm
2
Minimum screw in depth L2
for steel
for aluminium
12 mm
16 mm
12 mm
16 mm
13 mm
18 mm
13 mm
18 mm
Recommended bolts – ISO 4014
for steel flanges
for aluminium flanges
M8x35
M8x40
M8x35
M8x40
M10x35
M10x40
M10x35
M10x40
Bolt quality
stainless steel bolts
8.8 or
A2(A4)-70
8.8 or
A2(A4)-80
8.8 or
A2(A4)-80
8.8 or
A2(A4)-80
Fastening torque
20 Nm
+3
0
35 Nm
+5
0
15
Nm
+2
0
5 Nm
+2
0
8 Nm
+2
0
20
Nm
+3
0
35 Nm
+5
0
15 Nm
+2
0
5 Nm
+2
0
8 Nm
+2
0
20 Nm
+3
0
35
Nm
+5
0
15 Nm
+2
0
5 Nm
+2
0
8 Nm
+2
0
20 Nm
+3
0
35
Nm
+5
0
15 Nm
+2
0
5 Nm
+2
0
8 Nm
+2
0