LEYBOLD TURBOVAC 600 C - Page 24

Installation
24
GA05118_002_C1 - 11/2017 - © Leybold
Fig. 3.4 Mounting the CF high vacuum flange
40
L1
L220
Copper gasket
Bolt with washer
and nut
Pump housing with
CF flange
L1
DN 100 CF flange connection with clearance hole
DN 100 CF flange connection with blind hole thread
TURBOVAC 50 151 / 361 361 / 600 / 1000 600 / 1000
Flange DN 63 CF DN 100 CF DN 160 CF DN 200 CF
Number of bolts 8 x M8 16 x M8 20 x M8 24 x M8
Minimum bolt strength,
yield strength
> 450 N/mm
2
Recommended bolts – ISO 4014
L1 =
M8x45
35
M8x50
40
M8x55
44
M8x60
49
Bolt quality
stainless steel bolts
8.8 or
A2(A4)-70
Fastening torque
20 Nm
+3
0
35 Nm
+5
0
15
Nm
+2
0
5 Nm
+2
0
8 Nm
+2
0
The fastening torque levels apply
to lubricated threads.
L2
12L3
Copper gasket
Stud bolt with washer
and nut
Pump housing with
CF flange
TURBOVAC 50 151 / 361 361 / 600 / 1000 600 / 1000
Flansch DN 63 CF DN 100 CF DN 160 CF DN 200 CF
Number of bolts 8 x M8 16 x M8 20 x M8 24 x M8
Minimum bolt strength,
yield strength
> 450 N/mm
2
Minimum screw-in depth for steel 12 mm
Recommended bolts
for steel flanges – DIN 835
L2 =
L3 =
M8x30
46
17,5
M8x30
46
20
M8x30
46
22
M8x35
51
24,5
Bolt quality
stainless steel bolts
8.8 or
A2(A4)-70
Fastening torque
20 Nm
+3
0
35 Nm
+5
0
15
Nm
+2
0
5 Nm
+2
0
8 Nm
+2
0