<3. INSTALLATION>
3-6
IM 01E30D01-01EN
F0308a.ai
*Nut (eight units)
*Through-bolt (four units)
*: These items can be ordered optionally.
If they are provided by the user, choose nuts
and bolts in compliance with the flange ratings.
Centering device (two units)
*Gasket (two units)
Piping-side flange
Mini-flange
Horizontal mounting
F0308b.ai
Vertical mounting
F0308c.ai
Figure 3.3.1 Mounting Procedure for Wafer Type (size: 25 (1.0) and 40 mm (1.5 in.))
Table 3.3.1 Wafer Type Tightening Torque Values for Metal Piping
Tightening torque values for PFA lining type (N-m / {kgf-cm} / [in-lbf])
Gasket types
within flowtube
No gasket (standard)
Gasket types
for user’s
flange
Non-asbestos fiber gasket, PTFE-sheathed non-asbestos gasket (optional code BSF), or the equivalent in hardness
Flange ratings
Size
mm (inch)
JIS 10K, ANSI Class 150, and DIN PN10
JIS 20K, ANSI Class 300, and DIN PN16
DIN PN40
25 (1.0)
23.5 to 27.3 / {239.6 to 278.4} / [208 to 241.6] 23.7 to 27.3 / {241.7 to 278.4} / [209.8 to 241.6] 22.3 to 27.3 / {227.4 to 278.4} / [197.4 to 241.6]
40 (1.5)
36.2 to 42.4 / {369.1 to 432.4} / [320.4 to 375.3] 36.9 to 42.4 / {376.3 to 432.4} / [326.6 to 375.3] 39.1 to 42.4 / {398.7 to 432.4} / [346.1 to 375.3]
Table 3.3.2 Wafer Type Tightening Torque Values for PVC Piping
Tightening torque values for PFA lining type (N-m / {kgf-cm} / [in-lbf])
Gasket types
within flowtube
Fluororubber gasket (optional codes GA, GC, and GD)
Gasket types
for user’s
flange
Fluororubber gasket, chloroprene rubber gasket (optional code BSC), or the equivalent in hardness
Flange ratings
Size
mm (inch)
JIS 10K, ANSI Class 150, and DIN PN10
JIS 20K, ANSI Class 300, and DIN PN16
DIN PN40
25 (1.0)
4.9 to 8.1 / {49.97 to 82.6} / [43.37 to 71.69] 5.0 to 8.3 / {50.99 to84.64 } / [44.25 to 73.46] 4.3 to 7.2 / {43.85 to 73.42} / [38.06 to 63.72]
40 (1.5)
7.7 to 12.9 / {78.52 to 131.5} / [68.15 to 114.2]
8.1 to 13.4 / {82.6 to 136.6} / [71.69 to 118.6]
7.5 to 12.5 / {76.48 to 127.5} / [66.38 to 110.6]
