ARI Armaturen STEVI H 488 EN - Manual

Rev. 0040308000 0410 englisch page 2-1
1.0 General information on operating
instructions ..................................................2-2
2.0 Notes on possible dangers.........................2-2
2.1 Significance of symbols ...................................... 2-2
2.2 Explanatory notes on safety information ............. 2-2
3.0 Storage and transport ................................2-2
4.0 Description...................................................2-3
4.1 Scope of applications .......................................... 2-3
4.2 Operating principles ............................................ 2-3
4.3 Diagram............................................................... 2-4
4.4 Technical data ..................................................... 2-5
4.5 Marking ............................................................... 2-5
5.0 Installation....................................................2-5
5.1 General notes on installation............................... 2-5
5.2 Requirements at the place of installation ............ 2-6
5.3 Installation instructions concerning actuators ..... 2-6
6.0 Putting the valve into operation.................2-6
7.0 Care and maintenance................................ 2-7
7.1 Replacement of stem sealings ............................ 2-7
7.2 Replacement of plug, stem and seat................... 2-8
7.3 Conversion of 3-way in straight through control
valve .................................................................... 2-9
7.3.1 Conversion of valve with flanges .................... 2-9
7.3.2 Conversion of valve with thread connections 2-10
7.3.3 Conversion of plug with soft sealings ............2-11
7.4 Conversion of straight through- in
3-way-control valve ...........................................2-11
8.0 Troubleshooting ........................................ 2-12
9.0 Troubleshooting Table ............................ 2-12
10.0 Dismantling the valve or the top part ... 2-13
11.0 Warranty / Guarantee .............................. 2-13
12.0 EC declaration of conformity ................. 2-14
Operating and installation instructions
3-way / straight through control valves - STEVI
®
H 485-488
Contents
Series 487 Series 488
Series 485 Series 486