Burkert 2301 Series, Operating Instructions Manual, Page: 41 / 48

41
Maintenance, cleaning
Tightening torques spindle guide
Spindle
diameter
DN Spindle guide
material
Tightening
torque [Nm]
10 mm - PEEK 6
10/15 1.4401/1.4404/316L 15
20/25 25
32 50
14 mm - PEEK 15
20–25 1.4401/1.4404/316L 25
32–50 60
22 mm 65–100 1.4401/1.4404 60
Tab.15: Tighteningtorquesspindleguide
Mount control cone
→
Place control cone on the spindle.
→ Align boreholes in the control cone and spindle.
→
Support control cone on the cylindrical part using a prism or
something similar.
→ Set up the spring-type straight pin and carefully hammer it in.
→
Centre the spring-type straight pin with the spindle axis.
Install actuator (with control unit) on the valve body
→ Replace the seal if necessary.
WARNING!
Risk due to incorrect lubricants.
Unsuitable lubricant may contaminate the medium. There is a
risk of explosion in oxygen applications.
▶
For specific applications, e.g. oxygen or analysis applica -
tions, use approved lubricants only.
→ Before re-installation, grease nipple thread of the actuator
(e.g. using Klüberpaste UH1 96-402 from Klüber).
NOTE!
Damage to the valve seat seal or seat contour.
▶
When turning the actuator, the valve must be in the open
position.
→
For control function A
Without control unit: pressurise pilot air port 1 with com -
pressed air (5 bar). Valve opens.
With control unit:
Open the valve in accordance with the
operating instructions of the control unit.
→ Screw actuator into the valve body.
Observe tightening torque (see “Tab. 16”).
Type 2301
English