KROHNE OPTIFLUX 7000 Quickstart EN - Manual (Page 10)

OPTIFLUX 7000 OPTIFLUX 7000 OPTIFLUX 7000 OPTIFLUX 7000
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7.30982.21.00 10
Torques and pressures Torques and pressures Torques and pressures Torques and pressures
Nominal size Pressure rating Bolts Max. torque [Nm]
25 PN 40 4 x M 12 73,5
40 PN 40 4 x M 16 178
50 PN 40 4 x M 16 178
80 PN 40 4 x M 16 178
100 PN 16 4 x M 16 178
Nominal size [inch] Flange class [lb] Bolts Max. torque [ftlb]
1 150 4 x 1/2" 54,2
1 1/2 150 4 x 1/2" 131,3
2 150 4 x 5/8" 131,3
3 150 4 x 5/8" 131,3
4 150 4 x 5/8" 131,3
Use Stainless steel A2 / 6.9 class bolts.
Tighten the bolts in fixed order: 1+2 (in), 3+4 (out), 5+6 (in), 7+8
(out). See picture