TORQUE VALUES FOR SPLIT FLANGES
The following chart provides the tightening torques for split flange connections used in hydraulic systems.
Split flanges and fitting shoulders should fit squarely. Install all bolts, finger tight and then torque evenly.
NOTE: Over torquing bolts will damage the flanges and/or bolts, which may cause leakage.
1/2"
3/4"
1"
1 - 1/4"
1 - 1/2"
2"
2 - 1/2"
3"
3 - 1/2"
5/16"
3/8"
3/8"
7/16"
1/2"
1/2"
1/2"
5/8"
5/8"
2.1 - 2.5
3.0 - 3.7
3.7 - 4.8
4.8 - 6.2
6.4 - 8.0
7.6 - 9.0
10.9 - 12.6
19.1 - 20.7
16.2 - 18.4
15 - 18
22 - 27
27 - 35
35 - 45
46 - 58
55 - 65
79 - 91
138 - 150
117 - 133
(*) - Inside diameter of flange on end of hydraulic tube or hose fitting.
NOTE: Values stated in chart are for Standard Pressure Series (Code 61) Split Flanges.
S0309000 Standard Torque
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