Destructive Torque And Recommended Securing Bolt For Inlet Port Flange; Stp-Xf1303Bv135 - Edwards STP-XF803 Series Instruction Manual

Secure the inlet port flange with the correct size bolts as specified in the inlet port flange standard.
2
Secure the base with either the 8 screws for legs or the 8 attached legs. Ensure instructions with
regard to legs and bolts for securing the base are adhered to page 19. Make sure that the
recommended securing bolt is the correct one depending on the method of securing the base.
Pump model
Flange type
Destructive Torque
[kNm]
Base (8 positions)
securing
Material
Strength
Pump model
Flange type
Destructive Torque
[kNm]
Base (8 positions)
securing
Material
Strength
Figure 3
*1
Refer to
*2
Refer to ISO898-1 (JIS B 1051), ISO3506 (JIS B 1054) and AMS 6419 (Aerospace Material Specification).
Table 2 - Destructive torque and recommended securing bolt for inlet port flange
MT-92E-101-C
Page 20
STP-XF803/XF1303/XF813/XF1313 series Turbomolecular Pump
VG150
28.2
Yes
*1
Shape Standard
Size M10
Q'ty
8
*2
Stainless steel
*2 70 or more
VG200
28.2
Yes
*1
Shape Standard
M12
Size
Q'ty
8
*2
Stainless steel
*2
70 or more
Methods of securing the STP pump.
STP-XF803BV135/BV155 [A] /BV155 [B]
STP-XF813Y1BV/Y2CV155
ISO160F
28.2
Yes
Standard
M10
8
Stainless steel
70 or more
STP-XF1303BV135/BV155 [A] /BV155 [B]
STP-XF813Y1BV/Y2CV155
ISO200F
28.2
Yes
Standard
M10
12
Stainless steel
70 or more
ICF203
28.2
Yes
Standard
M8
20
Stainless steel
70 or more
ICF253
28.2
Yes
Standard
M8
24
Stainless steel
70 or more