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ARI Armaturen PRESO EN User Manual

Operating and installation instructions, Pressure regulating valve preso, Spring loaded)

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Rev. 0040402000 0410 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 Parts list ..................................................................4
4.5 Technical data Technical data - remarks .................5
4.6 Marking ..................................................................5

5.0 Installation...................................................... 6

5.1 General notes on installation...................................6
5.2 Requirements at the place of installation ................6
5.3 Strainer ...................................................................7

5.4 Safety valves .......................................................... 7

6.0 Putting the valve into operation .................. 7

6.1 Setting instructions ................................................ 8

6.1.1 Removing the cap ........................................... 9
6.1.2 Changing the pressure range

“without” spring change.................................... 9

6.1.3 Changing the pressure range

“with” spring change ........................................ 9

7.0 Care and maintenance................................ 10
8.0 Troubleshooting .......................................... 10
9.0 Troubleshooting table ................................11
10.0 Dismantling the valve or the top part ..... 12
11.0 Warranty / Guarantee ................................ 12
12.0 EC declaration of conformity ................... 13

Contents

Operating and installation instructions

Pressure regulating valve PRESO

®

(spring loaded)

PRESO

®

(Series 750)