Maximum Torque Predicted And Recommended Securing Bolt - Edwards STP-iS2207 Series Instruction Manual

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