Burkert Type 2300 - Manual (Page 3)

Removing the actuator from the valve body:
→
Clamp the valve body in a holding device
(applies only to valves which have not yet been installed).
note!
Damage to the seat seal or the seat contour!
• When removing 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.
→
Using a suitable open-end wrench, place the wrench flat on the pipe.
→
Unscrew the actuator from the valve body.
Removing the control cone set:
note!
Important information for the problem-free and safe functioning
of the device!
• The sealing face of the control cone must not be damaged.
→
Knock out dowel pin with a suitable pin punch.
Pin punch ø 4 mm, for spindle diameter 10 mm.
Pin punch ø 5 mm, for spindle diameter 14 mm.
Pin punch ø 6 mm, for spindle diameter 22 mm.
→
Remove control cone.
Spindle
Dowel pin
Control cone
Graphite seal
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Replacing packing gland:
PEEK spindle guide (series production status up to April 2012)
→
Unscrew the spindle guide with the aid of the installation wrench 2)
and an open-end wrench.
VA spindle guide (Series production status since April 2012)
→
Unscrew spindle guide using a modified socket wrench 2) .
SP22
→
Unscrew the VA spindle guide with the aid of an open-end wrench.
2) The installation wrench or modified socket wrench is
available from your Bürkert sales office.
Packing gland
PEEK
spindle guide
Spindle
Installation tool
Packing gland tube
Series production status
up to April 2012
Packing gland
VA Spindle guide
Spindle
Packing gland tube
Hexagon
Series production
status since April 2012
Packing gland
Spacer
Spindle
Packing gland tube
SP22
VA Spindle guide
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WArnInG!
Risk of injury from parts jumping out!
When the spindle opening is exposed, the individual parts of the
packing gland are pressed out at an undefined speed when the
pilot air ports is pressurized.
• Before pressurizing with control air, safeguard the ambient area of
the discharge opening (e.g. place spindle on a firm base).
→
Press out packing gland:
Control function A and I Pressurize pilot air port 1 with 6 – 8
bar.
Control function B Pressurize pilot air port 2 with 6 – 8 bar.
→
Grease the individual parts of the new packing gland with the
upplied lubricant.
→
Connect the individual parts to the spindle in the specified
direction and sequence.
→
Push packing gland into the packing gland tube.
→
Grease thread of the spindle guide (Klüber paste UH1 96-402).
→
Screw spindle guide back in using the installation tool. Observe
torque (see “Tab. 3”).
Insertion direction for packing gland parts
Support ring
Upper chevron seals
Upper pressure ring(s)
Pressure spring
Lower pressure ring
Lower chevron seals
Spindle ø 10 mm Spindle ø 14 mm
Seal set for packing gland SP10 / SP14
Seal set for packing gland SP22
Support ring
Upper chevron seal
Upper pressure ring(s)
Pressure spring
Lower pressure ring
Lower chevron seals
Insertion direction for packing gland parts Spacer
Spindle ø 22 mm
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