Torque Values For Split Flanges - Daewoo Solar 200W-V Instructions Manual

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.
Overtorquing bolts will damage the flanges and/or bolts, which may cause leakage.
NOTE:
FLANGE
SIZE (*)
1/2"
3/4"
1"
1 - 1/4"
1 - 1/2"
2"
2 - 1/2"
3"
3 - 1/2"
(*) - Inside diameter of flange on end of hydraulic tube or hose fitting.
Values stated in chart are for Standard Pressure Series (Code 61) Split Flanges.
NOTE:
S0309000
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BOLT
SIZE
KILOGRAM METER
5/16" 2.1 - 2.5
3/8" 3.0 - 3.7
3/8" 3.7 - 4.8
7/16" 4.8 - 6.2
6.4 - 8.0
1/2"
1/2" 7.6 - 9.0
1/2" 10.9 - 12.6
5/8" 19.1 - 20.7
5/8" 16.2 - 18.4
BOLT TORQUE
FOOT POUNDS
(kg•m) (Ft. Lbs.)
138 - 150
117 - 133
15 - 18
22 - 27
27 - 35
35 - 45
46 - 58
55 - 65
79 - 91
Standard Torques