Type 3321

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Table of contents

1. General technical data

3

2. Approvals

5

3. Materials

6

3.1.

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

3.2.

Material specification ........................................................................................................................................................... 6

4. Dimensions

8

4.1.

Actuator ............................................................................................................................................................................... 8

AG2 ...................................................................................................................................................................................... 8

AG3 .................................................................................................................................................................................... 10

4.2.

Body with flange connection ............................................................................................................................................. 12

4.3.

Body with thread connection............................................................................................................................................. 13

4.4.

Body with weld connection................................................................................................................................................ 14

4.5.

Body with clamp connection ............................................................................................................................................. 15

5. Performance specifications

16

5.1.

Fluidic data ........................................................................................................................................................................ 16

Overview of flow characteristics with flow below seat ...................................................................................................... 16

5.2.

Operating limits.................................................................................................................................................................. 17

Operating limits for medium temperature and operating pressure .................................................................................... 17

Operating limits for ambient and medium temperature ..................................................................................................... 18

Operating limits for seat seal ............................................................................................................................................. 19

Operating limits for optional versions ................................................................................................................................ 19

5.3.

Electrical control and interfaces......................................................................................................................................... 19

Interface diagram ............................................................................................................................................................... 19

6. Product design and assembly

20

6.1.

Product features................................................................................................................................................................. 20

6.2.

Product assembly .............................................................................................................................................................. 22

AG2 .................................................................................................................................................................................... 22

AG3 .................................................................................................................................................................................... 23

7. Ordering information

24

7.1.

Bürkert eShop.................................................................................................................................................................... 24

7.2.

Bürkert product filter.......................................................................................................................................................... 24

7.3.

Ordering chart accessories................................................................................................................................................ 24

Standard accessories ........................................................................................................................................................ 24

Accessories cable.............................................................................................................................................................. 24

Bürkert accessories ........................................................................................................................................................... 25

7.4.

Bürkert Product Enquiry Form ........................................................................................................................................... 25