JDMIX, Inc. - Torque Recommendations

Torque Recommendations

The following torque recommendations are to be followed when installing lined pipe mixers:

Pipe Size

1"
1.5"
2"
2.5"
3"
4"
6"
8"
10"
12"

Torque ft./lb.

8 - 9
9 - 12
18 - 24
23 - 30
23 - 30
27 - 36
35 - 50
45 - 60
75 - 85
95 - 110

The following torque recommendations are to be followed when installing FRP flanges:

Pipe Size

2"
3"
4"
6"
8"
10"
12"
14"
16"
18"
20"
24"
30"
36"
42"

Torque ft./lb.

25
30
30
30
45
50
55
55
55
55
55
55
55
55
55

When installing FRP mixers, consideration must be given to the fact that the expansion coefficient for FRP is substantially higher than that of steel.

Steel expansion coefficient = 7 x 10^-6 inch / inch / °F approximately - FRP - expansion coefficient = 20 x 10^-6

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