Type 3285

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Table of contents

1. General technical data

3

1.1.

General.............................................................................................................................................................................................3

1.2.

Electrical control and interfaces.......................................................................................................................................................4

2. Approvals and conformities

5

2.1.

General notes...................................................................................................................................................................................5

2.2.

Conformity .......................................................................................................................................................................................5

2.3.

Standards.........................................................................................................................................................................................5

2.4.

North America (USA/Canada) ..........................................................................................................................................................5

2.5.

Drinking water ..................................................................................................................................................................................5

2.6.

Others ..............................................................................................................................................................................................5

Oxygen.............................................................................................................................................................................................5

3. Materials

6

3.1.

Bürkert resistApp .............................................................................................................................................................................6

3.2.

Material specifications .....................................................................................................................................................................6

4. Dimensions

7

4.1.

Threaded version .............................................................................................................................................................................7

4.2.

Capacitive buffer module.................................................................................................................................................................8

5. Device/Process connections

9

5.1.

Analogue ..........................................................................................................................................................................................9

5.2.

Digital (fieldbus)................................................................................................................................................................................9

6. Performance specifications

10

6.1.

Duty cycle derating diagram ..........................................................................................................................................................10

6.2.

Pressure range ...............................................................................................................................................................................10

6.3.

Flow characteristic.........................................................................................................................................................................11

Determination of the K

V value ........................................................................................................................................................ 11

Exemplary characteristic curve of the motor valve........................................................................................................................11

7. Product operation

12

8. Product accessories

13

8.1.

Accessories capacitive buffer module...........................................................................................................................................13

8.2.

Bürkert Communicator Software ...................................................................................................................................................13

Connection Type 3285 with Bürkert Communicator software .......................................................................................................14

9. Ordering information

14

9.1.

Bürkert eShop................................................................................................................................................................................14

9.2.

Recommendation regarding product selection..............................................................................................................................14

9.3.

Bürkert product filter......................................................................................................................................................................14

9.4.

Bürkert Product Enquiry Form .......................................................................................................................................................15

9.5.

Ordering chart accessories............................................................................................................................................................15

Standard accessories ....................................................................................................................................................................15

Accessories cable..........................................................................................................................................................................15

Bürkert accessories .......................................................................................................................................................................15