manualshive.com logo in svg

Burkert 8840, Operating Instructions Manual, Page: 17 / 19

Share
Download
Burkert 8840 Operating Instructions Manual Download Page 17

17

Replacement parts

Type 8840

9 

replacemenT parTs

Caution

risk of injury and/or damage by the use of incorrect parts.

Incorrect accessories and unsuitable replacement parts may 

cause injuries and damage the device and the surrounding 

area.

 

▶

Use only original accessories and original replacement parts 

from Bürkert.

9.1 

Replacement parts for actuator 

classic

The following replacement parts are available for the actuator 

CLASSIC:

 

•

Seal set for actuator

 

consists of the sealing of the actuators

 

•

Valve set 

consists of swivel plate, pin and seal

9.1.1 

Seal set for PA-actuator

actuator  

size [mm]

Orifice 

 

[mm]

order number 

(VA-body)

50

20

233 588

63

25

233 591

9.1.2 

Seal set for PPS-actuator

actuator  

size [mm]

Orifice 

 

[mm]

order number 

(VA-body)

50

20

233 582

63

25

233 583

9.1.3 

Valve set

actuator  

size [mm]

Orifice 

 

[mm]

order number 

(PTFE-seal)

50

20

011 171

50

25

011 202

63

25

160 737

english

Summary of Contents for 8840

Page 1: ...ating Instructions Bedienungsanleitung Manuel d utilisation Type 8840 Modular process valve cluster DN20 and DN25 Modularer Prozessventilknoten DN20 und DN25 Nœud de vanne de process modulaire DN20 et DN25 ...

Page 2: ...the right to make technical changes without notice Technische Änderungen vorbehalten Sous réserve de modifications techniques Bürkert Werke GmbH Co KG 2018 Operating Instructions 1806 00_EU ML_00810703 Original DE ...

Page 3: ...onditions 9 6 5 Mechanical data 9 6 6 Pneumatic data 9 6 7 Pressure range 10 7 Installation 10 7 1 Preparatory work 11 7 2 Install the valve body 11 7 3 Devices with weld ends connection 11 7 4 Rotating the actuator 13 7 5 Connect the device pneumatically 13 7 6 Removal 14 8 Maintenance troubleshooting 15 8 1 Maintenance work 15 8 2 Cleaning 15 8 3 Recommended auxiliary materials 15 8 4 Malfunctio...

Page 4: ...ve body valve body block Ex atmosphere potentially explosive atmosphere Ex approval approval in the potentially explosive atmosphere 1 2 Symbols Danger Warns of an immediate danger Failure to observe the warning will result in a fatal or serious injury Warning Warns of a potentially dangerous situation Failure to observe the warning may result a fatal or serious injury Caution Warns of a possible ...

Page 5: ...he contractual documents the operating instructions and on the type label Use the device only in conjunction with third party devices and components recommended and authorized by Bürkert Make sure the device is in efficient working order before use 3 Basic safety instructions These safety instructions do not consider any contingencies or incidents which occur during assembly operation and maintena...

Page 6: ... the pilot air ports Ensure adequate freedom of motion and sufficiently long pneumatic hoses on the pilot air ports which move up and down as determined by the valve stroke Do not remove body components from the valve cluster Remove the pilot air ports for transportation 4 General information 4 1 Contact addresses Germany Bürkert Fluid Control Systems Sales Center Christian Bürkert Straße 13 17 D ...

Page 7: ...ay Body system Actuator CLASSIC Actuator ELEMENT Fig 1 Structure of the valve cluster 5 2 Versions Depending on the requirement and preferred type of automation different actuators ELEMENT CLASSIC INOX can be selected The following orifices are available DN10 screwed down and sealed with a graphite seal DN20 and DN25 welded The orifice 10 is described in separate operating instructions 5 3 Functio...

Page 8: ...ormity The device conforms with the EU Directives according to the EU Declaration of Conformity if applicable 6 2 Standards The applied standards which verify conformity with the EU Direc tives can be found on the EU Type Examination Certificate and or the EU Declaration of Conformity if applicable 6 3 Type label Type Control function Orifice Seal material Function S Collector Pilot pressure Port ...

Page 9: ...uest Dimensions Depending on the number of valve positions Weight Depending on the number of valve positions and installed actuators Number of valve slots 2 to 5 others on request Body material Stainless steel precision cover 316L CF3M Seal material Seat seal PTFE Seal between actuator and body graphite 6 6 Pneumatic data Pneumatic data Control media Neutral gases air Max pilot pressure 10 bar Lin...

Page 10: ... or device switch off the pressure and vent or drain lines Warning Risk of injury from improper installation Installation may be carried out only by trained technicians and with the appropriate tools Secure system against unintentional activation After installation ensure that the process is restarted in a controlled manner Risk of burns from hot media Do not touch the device during operation Risk...

Page 11: ...evices with weld ends connection Weld valve body in pipeline system Please observe chapter 7 3 Devices with thread or clamp connection Connect valve body to pipeline 7 3 Devices with weld ends connection Note Damage to the actuator during welding of the valve body into the pipeline Remove the actuator before welding into the pipeline 7 3 1 Remove the actuator Clamp the valve body in a holding devi...

Page 12: ...e 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 open For actuators CLASSIC and control function A pressurize lower pilot air port with compressed air 5 bar valve opens For actuator ELEMENT and control function A pressurize the pilot air port 1 with compressed air 5 bar v...

Page 13: ...Danger Risk of injury from discharge of medium and pressure If the direction of rotation is wrong the body interface may become detached Rotate the actuator in the specified direction only Rotate counter clockwise as seen from below to bring the actuator module into the required position 7 5 Connect the device pneumatically Danger Risk of injury from unsuitable connection hoses Use only hoses whic...

Page 14: ... with actuator ELEMENT Control function A and B Connect the control medium to the pilot air port 1 If used in an aggressive environment we recommend conveying all free pneumatic connections into a neutral atmosphere with the aid of a pneumatic hose 7 6 Removal Danger Risk of injury from high pressure and medium leakage Before working on the system or device switch off the pressure and vent or drai...

Page 15: ...rnet on www burkert com Type 2000 www burkert com Type 2100 8 1 2 Visual inspection Perform regular visual inspections according to the application conditions Check media connections for leaks Check release bore for leaks 8 2 Cleaning Commercially available cleaning agents can be used to clean the outside Note Avoid causing damage with cleaning agents Before cleaning check that the cleaning agents...

Page 16: ... label Medium pressure too high Flow direction reversed Observe the direction arrows in chapter 5 3 Malfunction Reason Remedial action Valve is not sealed Dirt between seal and valve seat Installing dirt trap Seat seal worn Installing new swivel plate Flow direction reversed Observe the direction arrows in chapter 5 3 Pilot pressure too low Observe pressure specifications on the type label Medium ...

Page 17: ...for actuator CLASSIC The following replacement parts are available for the actuator CLASSIC Seal set for actuator consists of the sealing of the actuators Valve set consists of swivel plate pin and seal 9 1 1 Seal set for PA actuator Actuator size mm Orifice mm Order number VA body 50 20 233 588 63 25 233 591 9 1 2 Seal set for PPS actuator Actuator size mm Orifice mm Order number VA body 50 20 23...

Page 18: ... devices During transport or during assembly a heavy device may fall and cause injury Do not transport install or remove heavy devices without the aid of a second person and using suitable auxiliary equipment Use appropriate tools Note Transport damage to inadequately protected devices During transportation protect the device against wet and dirt in shock resistant packaging Maintain permissible s...

Page 19: ...www burkert com ...

Reviews:

No comments