Burkert 2000 Mode D'emploi page 12

Installation and commissioning
Actuators D-50, E-63 and F-80
Screw coupling onto valve spindle
Hook spindle in coupling
Screw guide spindle into actuator cover
max. tightening torque: 15 Nm
Screw actuator cover onto valve
max. tightening torques:
D-50
E-63
F-80
Screw lower nut onto guide spindle
Position bridge and spindle and fix with cap screw (Allan key SW 5 or SW 8)
Screw nut onto guide spindle
Set max. and min. stroke by means of upper and lower nuts
Test valve for function and leaktightness
Screw on cap with cover by hand
Actuators G-100, H-125
Screw coupling onto valve spindle
Hook spindle in coupling
Insert guide spindle into actuator cover
Place disk in the actuator cover and fix on the guide spindle with the nut
For this purpose, use flats on tube for wrench (SW 24)
max. tightening torque:
Screw actuator cover onto valve
max. tightening torques:
G-100
H-125
Screw lower nut onto guide spindle
Position bridge and spindle and fix with cap screw
(Allan key SW 5 or SW 8)
Screw nut onto guide spindle
Set max. and min. stroke by means of upper and lower nuts
Test valve for function and leaktightness
Screw on tube with cover by hand
10 - 2000/2002/2012/2030/2031
15 Nm
20 Nm
35 Nm
20 Nm
45 Nm
60 Nm