Edwards STP-iS1607 Series - Maximum Torque Predicted and Recommended Securing Bolt for Inlet Port Flange

STP-iS1607 Series Turbomolecular Pump
MT-94E-001-C
Page 38
3
INSTALLATION OF THE STP PUMP
Pump model
STP-iS1607 series
Flange type
ISO160F
VG150
ISO200F
VG200
Torque reduction
mechanism
Equipped
Equipped
Not Equipped
Not Equipped
Destructive Torque
[kNm]
18.4
18.4
25.4
25.4
Base securing
(4 positions)
No
Yes
No
Yes
No
Yes
No
Yes
Recommended
bolt
Shape
Standard
Standard
Standard
Standard
Size
M10
M10
M10
M12
Q’ty
8
8
12
8
Material
*1
Carbon steel
Alloyed steel
Carbon steel
Alloyed steel
Stainless steel
Stainless steel
Strength
*1
12.9 or more
12.9 or more
A2-70 or more
A2-70 or more
Special washer
Figure 21
Figure 21
Not necessary
Not necessary
Pump model
STP-iS1607 series
Flange type
ISO250F
ICF203
ICF253
Torque reduction
mechanism
Not Equipped
Not Equipped
Not Equipped
Destructive Torque
[kNm]
25.4
25.4
25.4
Base securing
(4 positions)
No
Yes
No
Yes
No
Yes
Recommended
bolt
Shape
Standard
Standard
Standard
Size
M10
M8
M8
Q’ty
12
20
24
Material
*1
Stainless steel
Carbon steel
Alloyed steel
Stainless steel
Strength
*1
A2-70 or more
12.9 or more
A2-70 or more
Special washer
Not necessary
Not necessary
Not necessary
*1
Refer to ISO 898-1 (JIS B 1051), ISO 3506 (JIS B 1054).
Table 7 - Maximum torque predicted and recommended securing bolt for inlet port flange