ARI Armaturen WA 206R EN - Manual

Rev. 0040319001 4709 englisch
Operating and installation instructions
3-way / straight through control valves
WA206/216/306/316
Contents
WA306H
WA316H WA206H
WA216H
WA306R WA206R
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 ................................... 2
4.0 Description...................................................... 3
4.1 Scope of applications ..............................................3
4.2 Operating principles ................................................3
4.3 Diagram...................................................................4
4.4 Technical data .........................................................5
4.5 Marking ...................................................................5
5.0 Installation....................................................... 5
5.1 General notes on installation...................................5
5.2 Requirements at the place of installation ................6
5.3 Installation instructions concerning actuators .........6
6.0 Putting the valve into operation ................... 6
7.0 Care and maintenance................................... 7
7.1 Replacement of stem sealings ............................... 7
7.2 Replacement of plug, stem and seat...................... 8
7.3 Conversion of 3-way in
straight through control valve ................................ 9
7.3.1 Conversion of valve with flanges ....................... 9
7.3.2 Conversion of valve with thread connections .. 10
7.3.3 Conversion of plug with soft sealings ...............11
7.4 Conversion of straight through-
in 3-way-control valve ..........................................11
8.0 Troubleshooting ........................................... 12
9.0 Troubleshooting Table ............................... 12
10.0 Dismantling the valve or the top part ...... 13
11.0 Warranty / Guarantee ................................. 13
12.0 EC declaration of conformity .................... 14