Burkert 2000 - 7 Replacing the Valve Set

18
Replacing the valve set
Type 2000, 2002, 2012
7 REPLACING THE VALVE SET
DANGER!
Danger – high pressure!
▶ Turnothepressureandventthelinesbeforelooseninglinesorvalves.
Risk of injury from improper maintenance!
▶ Maintenance may be performed by authorized technicians only!
▶ Toscrewonorunscrewvalvebodyoractuator,useanopen-endwrench,neverapipewrench.
▶ Observetighteningtorques.
Requiredparts:
Item Description
3 SwivelplatewithPTFEseal
4 Pin
5 Graphiteseal(packed)
3* Sleeves (only valve with spindle diameter 14 mm)
→ Mount valve
1
on the body.
→ ControlfunctionAandI: Pressurize lower control air connection with compressed air (5 bar).
→ Unscrew actuator on the valve body
1
.
→ Vent actuator.
→ Support swivel plate
3
withthehelpofaprism,knockoutpin
4
with a pin punch and pull out swivel plate.
→ Mount new swivel plate
3
alignandsecurewithnewpin
4
.
NOTE!
Forvalveswith“R”sleeves
3*
,insertinswivelplateandaligndrilledholes.
Pin
Swivel plate
Graphiteseal
Figure 5: Replacing the valve set
english