Ari-armaturen STEVI 446 EN User Manual download pdf

Rev. 0040301000 0410 englisch page 1

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 Plug design ........................................................7

4.4 Technical data .........................................................8

4.5 Marking ...................................................................8

5.0 Installation....................................................... 9

5.1 General notes on installation...................................9

5.2 Requirements at the place of installation ..............10

5.3 Installation instructions concerning actuators .......11

6.0 Putting the valve into operation.................. 11

7.0 Care and maintenance................................. 12

7.1 Replacement of stem sealings ............................. 12

7.1.1 PTFE V-ring unit design................................... 12

7.1.2 Stuffing box packing design ............................. 13

7.1.3 Bellows seal design ......................................... 14

7.2 Replacement of internal parts .............................. 16

7.2.1 Replacement of plug and stem ....................... 16

7.2.2 Replacement of seals of

pressure balanced plugs ................................. 17

7.2.3 Replacement of the seat ring........................... 17

7.3 Tightening torques................................................ 18

7.3.1 Tightening torques for hexagon nuts ............. 18

7.3.2 Tightening torques for seat rings ................... 18

8.0 Troubleshooting........................................... 18

9.0 Troubleshooting table ................................ 19

10.0 Dismantling the valve or the top part ...... 20

11.0 Warranty / Guarantee ................................. 20

12.0 EC declaration of conformity.................... 21

Contents

Operating and installation instructions

Straight through control valves - STEVI

440 / 441, 445 / 446

Series 440, 445 Series 441, 446

1 2 3 4 5 6 ... 20 21

Summary of Contents

Page 1 - 440 / 441, 445 / 446

Rev. 0040301000 0410 englisch page 11.0 General information on operating instructions ... 22.0 Notes

Page 2 - 3.0 Storage and transport

Page 10 Rev. 0040301000 0410Operating and installation instructionsStr. thr. control valves - STEVI® 440 / 441, 445 / 4465.2 Requirements at the plac

Page 3 - 4.0 Description

Rev. 0040301000 0410 Page 11Operating and installation instructionsStr. thr. control valves - STEVI® 440 / 441, 445 / 4465.3 Installation instruction

Page 4 - 4.3 Diagram

Page 12 Rev. 0040301000 0410Operating and installation instructionsStr. thr. control valves - STEVI® 440 / 441, 445 / 4467.0 Care and maintenanceMain

Page 5

Rev. 0040301000 0410 Page 13Operating and installation instructionsStr. thr. control valves - STEVI® 440 / 441, 445 / 4467.1.2 Stuffing box packing d

Page 6

Page 14 Rev. 0040301000 0410Operating and installation instructionsStr. thr. control valves - STEVI® 440 / 441, 445 / 4467.1.3 Bellows seal designIf

Page 7

Rev. 0040301000 0410 Page 15Operating and installation instructionsStr. thr. control valves - STEVI® 440 / 441, 445 / 446DN200-250: - Loose nuts (pos.

Page 8 - 4.4 Technical data

Page 16 Rev. 0040301000 0410Operating and installation instructionsStr. thr. control valves - STEVI® 440 / 441, 445 / 4467.2 Replacement of internal

Page 9 - 5.0 Installation

Rev. 0040301000 0410 Page 17Operating and installation instructionsStr. thr. control valves - STEVI® 440 / 441, 445 / 446Series 441/446:For replacemen

Page 10

Page 18 Rev. 0040301000 0410Operating and installation instructionsStr. thr. control valves - STEVI® 440 / 441, 445 / 4467.3 Tightening torques7.3.1

Page 11

Rev. 0040301000 0410 Page 19Operating and installation instructionsStr. thr. control valves - STEVI® 440 / 441, 445 / 4469.0 Troubleshooting table A

Page 12 - 7.0 Care and maintenance

Page 2 Rev. 0040301000 0410Operating and installation instructionsStr. thr. control valves - STEVI® 440 / 441, 445 / 4461.0 General information on op

Page 13

Page 20 Rev. 0040301000 0410Operating and installation instructionsStr. thr. control valves - STEVI® 440 / 441, 445 / 44610.0 Dismantling the valve o

Page 14

Rev. 0040301000 0410 Page 21Operating and installation instructionsStr. thr. control valves - STEVI® 440 / 441, 445 / 44612.0 EC declaration of confo

Page 15

Rev. 0040301000 0410 Page 3Operating and installation instructionsStr. thr. control valves - STEVI® 440 / 441, 445 / 4464.0 Description4.1 Scope of

Page 16

Page 4 Rev. 0040301000 0410Operating and installation instructionsStr. thr. control valves - STEVI® 440 / 441, 445 / 4464.3 Diagram Fig. 1: Series 44

Page 17

Rev. 0040301000 0410 Page 5Operating and installation instructionsStr. thr. control valves - STEVI® 440 / 441, 445 / 446Fig. 5: Series 440 DN200-250 F

Page 18 - 8.0 Troubleshooting

Page 6 Rev. 0040301000 0410Operating and installation instructionsStr. thr. control valves - STEVI® 440 / 441, 445 / 446Fig. 7: Series 445 DN15-100 (o

Page 19 - 9.0 Troubleshooting table

Rev. 0040301000 0410 Page 7Operating and installation instructionsStr. thr. control valves - STEVI® 440 / 441, 445 / 4464.3.1 Plug design Fig. 11: Se

Page 20 - 11.0 Warranty / Guarantee

Page 8 Rev. 0040301000 0410Operating and installation instructionsStr. thr. control valves - STEVI® 440 / 441, 445 / 4464.4 Technical data for- Princ

Page 21

Rev. 0040301000 0410 Page 9Operating and installation instructionsStr. thr. control valves - STEVI® 440 / 441, 445 / 4465.0 Installation5.1 General

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Ari-armaturen STEVI 446 EN User Manual

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