Ari-armaturen STEVI 451 EN User Manual
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- Table of contents
- TROUBLESHOOTING
- BOOKMARKS
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Rev. 0040306000 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 ................................... 2
4.0 Description...................................................... 3
4.1 Scope of applications ..............................................3
4.2 Operating principles ................................................3
4.3 Diagram...................................................................4
4.3.1 Mixing plug design .............................................4
4.3.2 Diverting plug design ..........................................5
4.4 Technical data .........................................................6
4.5 Marking ...................................................................6
5.0 Installation....................................................... 7
5.1 General notes on installation...................................7
5.2 Requirements at the place of installation ................8
5.3 Installation instructions concerning actuators .........8
6.0 Putting the valve into operation.................... 9
7.0 Care and maintenance................................... 9
7.1 Replacement of stem sealings ............................... 9
7.1.1 PTFE V-ring unit design .................................... 9
7.1.2 Stuffing box packing design ............................. 10
7.1.3 Bellows seal design ..........................................11
7.1.3.1 Bellows seal and mixing plug ......................11
7.1.3.2 Bellows seal and diverting plug................... 13
7.2 Replacement of internal parts ............................ 15
7.2.1 Mixing plug design .......................................... 15
7.2.2 Diverting plug design ...................................... 17
7.3 Tightening torques................................................ 19
7.3.1 Tightening torques for hexagon nuts (bonnet) 19
7.3.2 Tightening torques for hexagon nuts (plug) .... 19
7.3.3 Tightening torques for seat rings ..................... 19
8.0 Troubleshooting........................................... 19
9.0 Troubleshooting table ................................. 20
10.0 Dismantling the valve or the top part ...... 21
11.0 Warranty / Guarantee ................................. 21
12.0 EC declaration of conformity.................... 22
Operating and installation instructions
3-way control valves - STEVI
®
450 / 451
Contents
Series 450 Series 451
Summary of Contents
Page 1 - 450 / 451
Rev. 0040306000 0410 englisch1.0 General information on operating instructions ... 22.0 Notes on pos
Page 2 - 3.0 Storage and transport
Page 10 Rev. 0040306000 0410 Operating and installation instructions3-way control valves - STEVI® 450 / 4517.1.2 Stuffing box packing designThe stuff
Page 3 - 4.0 Description
Rev. 0040306000 0410 Page 11Operating and installation instructions3-way control valves - STEVI® 450 / 4517.1.3 Bellows seal designIf the stem leaks
Page 4 - 4.3 Diagram
Page 12 Rev. 0040306000 0410 Operating and installation instructions3-way control valves - STEVI® 450 / 451 DN125v-150v- Dismantle as point 7.1.3.- Lo
Page 5
Rev. 0040306000 0410 Page 13Operating and installation instructions3-way control valves - STEVI® 450 / 4517.1.3.2 Bellows seal and diverting plugDN40-
Page 6 - 4.4 Technical data
Page 14 Rev. 0040306000 0410 Operating and installation instructions3-way control valves - STEVI® 450 / 451DN125v-150v- Dismantle as item 7.1.3.- Loos
Page 7 - 5.0 Installation
Rev. 0040306000 0410 Page 15Operating and installation instructions3-way control valves - STEVI® 450 / 4517.2 Replacement of internal parts - Remove
Page 8
Page 16 Rev. 0040306000 0410 Operating and installation instructions3-way control valves - STEVI® 450 / 451DN125v-150v - Unscrew seat ring (pos. 2 bot
Page 9 - 7.0 Care and maintenance
Rev. 0040306000 0410 Page 17Operating and installation instructions3-way control valves - STEVI® 450 / 4517.2.2 Diverting plug design DN40-150- Slack
Page 10
Page 18 Rev. 0040306000 0410 Operating and installation instructions3-way control valves - STEVI® 450 / 451DN125v-150v - Loose nuts (pos. 24).- Loose
Page 11
Rev. 0040306000 0410 Page 19Operating and installation instructions3-way control valves - STEVI® 450 / 4517.3 Tightening torques 7.3.1 Tightening to
Page 12
Page 2 Rev. 0040306000 0410 Operating and installation instructions3-way control valves - STEVI® 450 / 4511.0 General information on operating instru
Page 13
Page 20 Rev. 0040306000 0410 Operating and installation instructions3-way control valves - STEVI® 450 / 4519.0 Troubleshooting table ATTENTION ! - re
Page 14
Rev. 0040306000 0410 Page 21Operating and installation instructions3-way control valves - STEVI® 450 / 45110.0 Dismantling the valve or the top part
Page 15
Page 22 Rev. 0040306000 0410 Operating and installation instructions3-way control valves - STEVI® 450 / 45112.0 EC declaration of conformityARI-Armat
Page 16
Rev. 0040306000 0410 Page 3Operating and installation instructions3-way control valves - STEVI® 450 / 4514.0 Description4.1 Scope of applicationsVal
Page 17
Page 4 Rev. 0040306000 0410 Operating and installation instructions3-way control valves - STEVI® 450 / 4514.3 Diagram4.3.1 Mixing plug design Fig. 1
Page 18
Rev. 0040306000 0410 Page 5Operating and installation instructions3-way control valves - STEVI® 450 / 4514.3.2 Diverting plug designFig. 5: Series 45
Page 19 - 8.0 Troubleshooting
Page 6 Rev. 0040306000 0410 Operating and installation instructions3-way control valves - STEVI® 450 / 4514.4 Technical data for- Principal dimension
Page 20 - 9.0 Troubleshooting table
Rev. 0040306000 0410 Page 7Operating and installation instructions3-way control valves - STEVI® 450 / 4515.0 Installation5.1 General notes on instal
Page 21 - 11.0 Warranty / Guarantee
Page 8 Rev. 0040306000 0410 Operating and installation instructions3-way control valves - STEVI® 450 / 4515.2 Requirements at the place of installati
Page 22
Rev. 0040306000 0410 Page 9Operating and installation instructions3-way control valves - STEVI® 450 / 4516.0 Putting the valve into operation7.0 Car
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