BT RRE140 - Pipe Coupling

14 – 12 Repair Manual RRE140/160/180/200/250 © BT
Hydraulic system 6000
Hydraulic connections (6230)
T-code Valid from serial number Date Publication No.
815, 816 6051502 2008-08-21 261828-040
Pipe coupling
Tighten the coupling by hand and then tighten one half turn to obtain the
correct torque.
Coupling screwed into aluminium
Coupling screwed into steel
Pressure class L
R 1 195-250
R 1 1/4 250-310
R 1 1/2 310-400
M 18 50-70
M 22 100-140
M 26 150-200
Designation with biting edge Dimension Torque [Nm]
G 1/8 R 1/8 ~7
G 1/4 R 1/4 ~12
G 3/8 R 3/8 ~20
G 1/2 R 1/2 ~30
G 3/4 R 3/4 ~80
G 1 R 1 ~100
Designation with
biting edge
Dimen-
sion
Torque
[Nm]
Designation with
EOLASTIC sealing ring
Dimension Torque
[Nm]
GE 6-LM M 10x1 ~20 GE 6-LM-ed M 10x1 ~10
GE 6-LR R 1/8 ~20 GE 6-LR-ed R 1/8 ~10
GE 8-LM M 12x1.5 ~29 GE 8-LM-ed M 12x1.5 ~20
GE 8-LR R 1/4 ~39 GE 8-LR-ed R 1/4 ~20
Dimension Tightening torque [Nm]