LEYBOLD TURBOVAC i(X) - ISO-K Flange Mounting with Claws

Installation
31300855170_002_C8 - 08/2021 - © Leybold
L2
L1
22,5
Fig. 3.4 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 850/950 i 1350/1450 i
Flange DN 160 ISO-K DN 200 ISO-K DN 200 ISO-K DN 250 ISO-K
Number of clamps 12 x M10
not permitted
Minimum bolt strength,
yield strength
> 640 N/mm
2
Minimum screw in depth L2
for steel
for aluminium
13 mm
18 mm
Recommended bolts – ISO 4014
for steel flanges
for aluminium flanges
M10x35
M10x40
Bolt quality 8.8
Fastening torque 35
+5
Nm