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T 8313 EN  

3

1

10

15

5.1
40

42

41

 7

 1

 5

 5.1

 15

 21

10

  4

40

42

41

7

 21

2

Fig. 6: 

Type 3372 Electropneumatic Actuator with 120 cm² actuator area for the direct attachment of a Type 3725 Positioner

1

15

27

25

20

21

4

5

10

40
42
41

7

33
60

54

2

61

Fig. 7: 

Type 3372 Electropneumatic Actuator with 350 cm² actuator area for the direct attachment of a Type 3725 Positioner

Legend for Fig. 6 and Fig. 7

1/2 Diaphragm case

20

Hexagon bolt

41

Wiper ring

4

Diaphragm

21

Hexagon nut

42

Plain bearing

5

Diaphragm plate

25

Washer

54

Hexagon nut (for 33)

7

Actuator stem

27

Compressor

60

Plate

10

Spring

33

Rod

61

Support element

15

Collar nut

40

Radial shaft seal

Summary of Contents for 3372

Page 1: ...aphragm cases a rolling diaphragm and internal springs The Type 3372 Electropneumatic Actua tor is controlled by a 4 to 20 mA signal For throttling service an i p converter is integrated into the actu...

Page 2: ...ator stem 8 8 Plug connector 14 Zero adjuster 8 2 Rod type yoke 8 9 Cover plate span and tight closing function 15 Force switch 8 3 Actuator springs 10 i p converter 16 Rod nut 8 4 Rolling diaphragm 1...

Page 3: ...41 7 33 60 54 2 61 Fig 7 Type 3372 Electropneumatic Actuator with 350 cm actuator area for the direct attachment of a Type 3725 Positioner Legend for Fig 6 and Fig 7 1 2 Diaphragm case 20 Hexagon bol...

Page 4: ...Switching accuracy 0 14 mA Air consumption in steady state When w 100 6 bar 200 ln h 4 bar 160 ln h 100 ln h with a supply pressure up to 6 bar and a signal pressure of 0 6 bar Air output capacity To...

Page 5: ...on Stem retracts Stem retracts Stem extends Stem extends Stem retracts Stem retracts Stem extends Stem extends Stem retracts Stem extends Stem retracts Stem extends Bench range 0 4 to 1 4 1 4 to 2 3 2...

Page 6: ...t required for mounting the actuator Table 2 Mounting types see Fig 8 and Fig 9 Version Integrated i p converter Type 3725 Positioner direct attachment Actuator area 120 cm 120 cm 350 cm Travel 15 mm...

Page 7: ...bar of 2 3 4 5 6 120 15 1800 0 4 to 1 4 4 0 5 1 7 0 7 1 9 3 1 1800 1 4 to 2 3 8 1 7 2 8 0 8 2 3 2 4 4 1800 2 1 to 3 3 12 2 5 4 0 350 5250 1 5 to 2 1 8 3 15 6 65 6 65 6 65 5250 2 1 to 2 7 6 7 35 9 5 30...

Page 8: ...22 English Order specifications Electropneumatic actuator Type 3372 Version With integrated i p converter With Type 3725 Positioner direct attachment Attachment to the valve Type Mounting type Accord...

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