144  FEP630, FEH630 ELECTROMAGNETIC FLOWMETER  |  OI/FEP630/FEH630-EN REV. D   
 
… 15 Appendix 
Torque information 
 
 
Tightening torques for transducers with design level ‘A’ 
 
Note 
The specified torques are valid only for greased threads and piping that is not subject to tensile stress. 
 
ProcessMaster in flange design and HygienicMaster in flange or wafer-type design 
 
Nominal diameter 
[mm (in)] 
Pressure rating  Maximum tightening torque [Nm]
Hard / soft rubber PTFE, PFA, ETFE
Ceramic carbide
** *** ** ***
** ***
DN 3 to 10* 
(¹⁄₁₀ to ⅜ in)* 
PN40 
12.43 12.43
PN63/100 
12.43 12.43
CL150 
12.98 12.98
CL300 
17.38 17.38
JIS 10K 
12.43 12.43
DN 15 (½ in)  PN40  6.74 4.29 14.68 14.68
PN63/100 13.19 11.2 22.75 22.75
CL150 3.65 3.65 12.98 12.98
CL300 4.94 3.86 17.38 17.38
CL600 9.73 9.73
–
JIS 10K  2.84 1.37 14.68 14.68
DN 20 (¾ in)  PN40  9.78 7.27 20.75 20.75
PN63/100 24.57 20.42 42.15 42.15
CL150 5.29 5.29 18.49 18.49
CL300 9.77 9.77 33.28 33.28
CL600 15.99 15.99
–
JIS 10K  4.1 1.88 20.75 20.75
DN 25 (1 in)  PN40  13.32 8.6 13.32 8.6
13.32 8.6
PN63/100 32.09 31.42 53.85 53.85
53.85 53.85
CL150 5.04 2.84 23.98 23.98
23.98 23.98
CL300 17.31 16.42 65.98 38.91
65.98 38.91
CL600 22.11 22.11
–
JIS 10K  8.46 5.56 26.94 26.94
26.94 26.94
DN 32 (1 ¼ in)  PN40  27.5 15.01 45.08 45.08
45.08 45.08
PN63/100 42.85 41.45 74.19 70.07
74.19 70.07
CL150 4.59 1.98 29.44 29.44
29.44 29.44
CL300 25.61 14.22 45.52 45.52
45.52 45.52
CL600 34.09 34.09
–
JIS 10K  9.62 4.9 45.08 45.08
45.08 45.08
*  Connection flange DIN/EN 1092-1 = DN 10 (⅜ in), connection flange ASME = DN 15 (½ in) 
** Flange material: steel. 
*** Flange material: stainless steel.