28
Maintenance, cleaning
Tightening torques valve body/nipple
Orifice DN
Tightening torque [Nm]
15
45 ± 3
20
50 ± 3
25
60 ± 3
32
65 ± 3
40
50
70 ± 3
65
100 ± 3
80
120 ± 5
100
150 ± 5
Tab.9: Tighteningtorquesvalvebody/nipple
If the position of the pilot air ports is unfavourable for
installing the hoses, these can be seamlessly aligned by
rotating the actuator by 360°.
The procedure is described in chapter
10.3.2
Replacing the valve seat set
The actuator must be uninstalled when replacing the
valve seat.
The necessary steps are described in chapter
Replacing the valve seat“ on page
25 .
The valve seat set consists of
•
valve seat
•
seal
•
O-ring (depending on
variant)
•
lubricant
DANGER!
Risk of injury from discharge of pressure and escaping medium.
Dismantling a device which is under pressure is hazardous due
to a sudden discharge of pressure or escaping medium.
▶
Before disassembly, shut off the pressure and vent all lines.
WARNING!
Risk of injury due to improper installation.
Failure to observe the tightening torque value is dangerous due
to the risk of damage to the device.
▶
Only perform the replacement with special assembly tools
(for order numbers see chapter „12.2 Installation tools“).
▶
Observe tightening torque (see „Tab. 10“
Type 2101
English