ARI Armaturen DP34 EN User Manual

Operating and installation instructions

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Rev. 0040504000 1210 englisch

1.0 General information on operating instructions....2
2.0 Notes on possible dangers ....................................2

2.1 Significance of symbols ........................................2
2.2 Explanatory notes on safety information ...............2

3.0 Storage and transport ............................................3
4.0 Description ..............................................................3

4.1 Scope of applications ............................................3
4.2 Operating principles ..............................................3
4.3 Diagram.................................................................4
4.4 Technical data .....................................................10
4.5 Marking ...............................................................11

5.0 Installation .............................................................11

5.1 General notes on installation...............................11
5.2 Requirements at the place of installation ............12
5.3 Valve with actuator ..............................................13
5.4 Control pressure connection ...............................15
5.5 Assembling the valve, operating mode

„actuator stem extends by spring force“ ..............15

5.6 Setting the starting point, operating mode

„actuator stem extends by spring force“ ..............16

5.7 Assembling the valve, operating mode

„actuator stem retracts by spring force“...............16

5.8 Setting the starting point, operating mode

„actuator stem retracts by spring force“...............17

6.0 Putting the valve into operation ..........................17

7.0 Disassembly of the actuator unit

from the valve ....................................................... 18

7.1 Disassembly of the actuator unit ........................ 18

8.0 Care and maintenance ......................................... 19

8.1 Replacing the rolling diaphragm......................... 19
8.2 Replacing the guiding band and the o-ring......... 21

9.0 Alterations............................................................. 21

9.1 Replacing the spring set..................................... 21

9.1.1 Replacement by operation mode

"actuator stem extends by spring force" ........... 21

9.1.2 Replacement by operation mode

"actuator stem retracts by spring force" ............ 22

9.2 Change of operating mode................................. 23

9.2.1 Change of operating mode "actuator stem

extends by spring force" in "actuator stem
retracts by spring force" .................................... 23

9.2.2 Change of operating mode "actuator stem

retracts by spring force" in "actuator stem
extends by spring force" ................................... 24

10.0 Troubleshooting ................................................. 27
11.0 Troubleshooting table ....................................... 27
12.0 Warranty / Guarantee ......................................... 28

Contents

Operating and installation instructions

Pneumatic actuators - DP32 / DP33 / DP34

DP32

DP33

DP34

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