Edwards STP-iS2207 Series - Maximum Torque Predicted and Recommended Securing Bolt

STP-iS2207 Series Turbomolecular Pump
MT-89E-001-C
Page 36
INSTALLATION
3
Pump model STP-iS2207 / STP-iS2207C
Flange type ISO200F ISO250F VG200 VG250
Torque reduction
mechanism
Not Equipped Not Equipped Not Equipped Not Equipped
Destructive Torque
[kNm]
40.7 40.7 40.7 40.7
Base securing
(4 positions)
No Yes No Yes No Yes No Yes
Recommended bolt
Shape
Standard Standard Standard Standard
Size
M10 M10 M12 M12
Q’ty
12 12 8 12
Material
*1
Carbon steel
Alloyed steel
Carbon steel
Alloyed steel
Carbon steel
Alloyed steel
Stainless steel
Strength
*1
12.9 or more 12.9 or more 12.9 or more 70 or more
Special washer
Not necessary Not necessary Not necessary Not necessary
Pump model STP-iS2207 / STP-iS2207C
Flange type ICF253 ICF305
Torque reduction
mechanism
Not Equipped Not Equipped
Destructive Torque
[kNm]
40.7 40.7
Base securing
(4 positions)
No Yes No Yes
Recommended bolt
Shape
Standard Standard
Size
M8 M8
Q’ty
24 32
Material
*1
Carbon steel
Alloyed steel
Stainless steel
Strength
*1
12.9 or more 70 or more
Special washer
Not necessary Not necessary
*1 Refer to ISO898-1 (JISB 1051), ISO3506 (JISB 1054).
Table 7 - Maximum torque predicted and recommended securing bolt for inlet port flange