Type 3281

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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

4

2.1.

General notes...................................................................................................................................................................................4

2.2.

Conformity .......................................................................................................................................................................................4

2.3.

Standards.........................................................................................................................................................................................4

2.4.

Foods and beverages/Hygiene ........................................................................................................................................................4

3. Materials

5

3.1.

Bürkert resistApp .............................................................................................................................................................................5

3.2.

Material specifications .....................................................................................................................................................................5

4. Dimensions

6

4.1.

Actuator ...........................................................................................................................................................................................6

4.2.

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

4.3.

2/2-way module body......................................................................................................................................................................8

4.4.

Welded version ................................................................................................................................................................................9

4.5.

Capacitive buffer module...............................................................................................................................................................10

5. Device/Process connections

11

5.1.

Analogue ........................................................................................................................................................................................11

5.2.

Digital (fieldbus)..............................................................................................................................................................................11

6. Performance specifications

12

6.1.

Duty cycle derating diagram ..........................................................................................................................................................12

6.2.

Pressure range ...............................................................................................................................................................................12

Standard version............................................................................................................................................................................12

6.3.

Flow characteristic.........................................................................................................................................................................13

Determination of the K

V value ........................................................................................................................................................ 13

Exemplary characteristic curve of the motor valve........................................................................................................................13

7. Product operation

14

8. Product accessories

15

8.1.

Accessories capacitive buffer module...........................................................................................................................................15

8.2.

Bürkert Communicator Software ...................................................................................................................................................15

Connection Type 3282 with Bürkert Communicator software .......................................................................................................16

9. Ordering information

16

9.1.

Bürkert eShop................................................................................................................................................................................16

9.2.

Recommendation regarding product selection..............................................................................................................................16

9.3.

Bürkert product filter......................................................................................................................................................................16

9.4.

Bürkert Product Enquiry Form .......................................................................................................................................................17

9.5.

Ordering chart accessories............................................................................................................................................................17

Standard accessories ....................................................................................................................................................................17

Accessories cable..........................................................................................................................................................................17

Bürkert accessories .......................................................................................................................................................................17