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Table 1 - Torque Values for 74000 Series CL2500
Part
Description
Valve Size
2x3
3x4
4x6
6x8
8x10
8x10
10x12
Valve Class
CL2500
CL2500
CL2500
CL2500
CL2500
CL2500
CL2500
Trim Size
2
2
3
4
4
6
8
Body
studs
Thread size
1.625
1.625
1.625
2
1.875
1.875
2
Bolt number
8
8
8
12
20
20
24
Torque
[daN.m]
220-240
220-240
220-240
510-550
400-440
400-440
480-520
Table 2 - Torque Values for 74000 Series CL600
Part
Description
Valve Size
4x6
6x8
6x8
8x10
Valve Class
CL600
CL600
CL600
CL600
Trim Size
4
6
8
10
Body studs
Thread size
1.25
1.5
1.5
1.5
Bolt number
12
12
12
16
Torque
[daN.m]
85-95
208-230
208-230
220-250
Packing Box
The 74000 Series valves have live loading as standard.
Prior to installation of the packing:
1.
Inspect packing box inside diameter surface finish.
2. Inspect stem finish in the packing area.
3.
Ensure there are no nicks or scratches on the stem and
packing box inside diameter packing area. Any compromise
of these features requires either repair or replacement of the
component
