Burkert Type 2300 - Manual (Page 38)

38
Maintenance, cleaning
Tightening torques of spindle
Spindle
diameter
Orifice
body Material of
spindle guide Tightening
torque [Nm]
10 mm PEEK 6
15 1.4401 / 1.4404
/ 316L 15
20 – 25 25
32 50
14 mm PEEK 15
25 1.4401 / 1.4404
/ 316L 25
32 – 50 60
22 mm 65 1.4401 / 1.4404 60
Tab. 19: Tightening torques of spindle
Installing the control cone
→
Attach new control cone to the spindle.
→
Align bores of the control cone and spindle.
→
Support control cone on the cylindrical part with the aid of a
prism or something similar.
→
Put on dowel pin and carefully knock in with a hammer.
→
Position the dowel pin in the centre of the spindle axis.
Install the actuator (with control unit) on the valve body
→
Check the graphite seal and if required, replace it.
WARNING!
Danger if incorrect lubricants used!
Unsuitable lubricant may contaminate the medium. In oxygen
applications there is a risk of an explosion!
• In specific applications, e.g. oxygen or analysis applications, use
appropriately authorised lubricants only.
→
Grease nipple thread before re-installing the actuator (e.g. with
Klüber paste UH1 96-402 from Klüber).
NOTE!
Damage to the seat seal or the seat contour!
• When installing the actuator, ensure that the valve is in open
position.
→
Control function A:
Without unit control: pressurize the pilot air port 1 with com-
pressed air (5 bar): valve opens.
With unit control: open the valve according to the operating
instructions for the control unit.
→
Screw actuator into the valve body.
Observe tightening torque (see “Tab. 20”).
english
Type 2300