Ari-armaturen STEVI BBD 415 DN 25-50 EN User Manual download pdf

Rev. 0040321000 0714 englisch page 2-1

Contents

Operating and Installation Instructions

Straight-through blow-down valves - STEVI

BBD 415

DN 25 - 50

1.0 General information about these

Operating Instructions ................................2-2

2.0 Notes on possible dangers.........................2-2

2.1 Meanings of the symbols used............................ 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 Applications......................................................... 2-3

4.2 Operating principle .............................................. 2-3

4.3 Diagrams ............................................................ 2-4

4.4 Technical data ..................................................... 2-6

4.5 Marking ............................................................... 2-6

5.0 Installation....................................................2-7

5.1 General notes on installation............................... 2-7

6.0 Putting the valve into operation.................2-8

7.0 Care and maintenance ................................2-9

7.1 Replacing the valve stem seals........................... 2-9

7.1.1 PTFE V-ring unit design ................................. 2-9

7.2 Replacing the valve trim.................................... 2-10

7.3 Replacing the rolling diaphragm and springs .....2-11

7.4 Replacing the actuator stem seals .................... 2-13

7.5 Assembling the valve and the actuator ............. 2-13

7.6 Retrofitting the hand lever ................................. 2-13

7.7 Tightening torques............................................. 2-14

7.7.1 Tightening torques for hexagon nuts .......... 2-14

7.7.2 Tightening torques for flange nuts ............... 2-14

7.7.3 Tightening torques for studs ........................ 2-14

8.0 Troubleshooting ........................................ 2-14

9.0 Troubleshooting table ............................. 2-15

10.0 Dismantling the valve ............................ 2-16

10.1 Dismantling the actuator from the valve.......... 2-16

10.2 Dismantling the actuator.................................. 2-16

11.0 Warranty / Guarantee .............................. 2-17

12.0 EC declaration of conformity................. 2-18

Series 415

1 2 3 4 5 6 ... 17 18

Summary of Contents

Page 1 - DN 25 - 50

Rev. 0040321000 0714 englisch page 2-1 ContentsOperating and Installation InstructionsStraight-through blow-down valves - STEVI®BBD 415DN 25 - 501.0

Page 2 - 3.0 Storage and transport

Page 2-10 Rev. 0040321000 0714Operating and Installation InstructionsStraight-through blow-down valves - STEVI®BBD 4157.2 Replacing the valve trim -

Page 3 - 4.0 Description

Rev. 0040321000 0714 Page 2-11Operating and Installation InstructionsStraight-through blow-down valves - STEVI®BBD 4157.3 Replacing the rolling diaph

Page 4 - 4.3 Diagrams

Page 2-12 Rev. 0040321000 0714Operating and Installation InstructionsStraight-through blow-down valves - STEVI®BBD 415Fig. 6: Actuator for DN 25, 32Fi

Page 5 - Fig. 2: Series 415 DN 40, 50

Rev. 0040321000 0714 Page 2-13Operating and Installation InstructionsStraight-through blow-down valves - STEVI®BBD 4157.4 Replacing the actuator stem

Page 6 - Page 2-6 Rev. 0040321000 0714

Page 2-14 Rev. 0040321000 0714Operating and Installation InstructionsStraight-through blow-down valves - STEVI®BBD 4157.7 Tightening torques7.7.1 Ti

Page 7 - 5.0 Installation

Rev. 0040321000 0714 Page 2-15Operating and Installation InstructionsStraight-through blow-down valves - STEVI®BBD 4159.0 Troubleshooting table ATTE

Page 8 - Page 2-8 Rev. 0040321000 0714

Page 2-16 Rev. 0040321000 0714Operating and Installation InstructionsStraight-through blow-down valves - STEVI®BBD 41510.0 Dismantling the valve 10.1

Page 9 - 7.0 Care and maintenance

Rev. 0040321000 0714 Page 2-17Operating and Installation InstructionsStraight-through blow-down valves - STEVI®BBD 41511.0 Warranty / GuaranteeThe ex

Page 10

Page 2-18 Rev. 0040321000 0714Operating and Installation InstructionsStraight-through blow-down valves - STEVI®BBD 41512.0 EC declaration of conformi

Page 11

Page 2-2 Rev. 0040321000 0714Operating and Installation InstructionsStraight-through blow-down valves - STEVI®BBD 4151.0 General information about th

Page 12 - Rotated view

Rev. 0040321000 0714 Page 2-3Operating and Installation InstructionsStraight-through blow-down valves - STEVI®BBD 4154.0 Description4.1 Applications

Page 13

Page 2-4 Rev. 0040321000 0714Operating and Installation InstructionsStraight-through blow-down valves - STEVI®BBD 4154.3 Diagrams Fig. 1: Series 415

Page 14 - 8.0 Troubleshooting

Rev. 0040321000 0714 Page 2-5Operating and Installation InstructionsStraight-through blow-down valves - STEVI®BBD 415Fig. 2: Series 415 DN 40, 50 Air

Page 15 - 9.0 Troubleshooting table

Page 2-6 Rev. 0040321000 0714Operating and Installation InstructionsStraight-through blow-down valves - STEVI®BBD 4154.4 Technical dataFor- Principal

Page 16 - 10.0 Dismantling the valve

Rev. 0040321000 0714 Page 2-7Operating and Installation InstructionsStraight-through blow-down valves - STEVI®BBD 4155.0 Installation5.1 General not

Page 17 - 11.0 Warranty / Guarantee

Page 2-8 Rev. 0040321000 0714Operating and Installation InstructionsStraight-through blow-down valves - STEVI®BBD 415- The planner / construction comp

Page 18 - EC declaration of conformity

Rev. 0040321000 0714 Page 2-9Operating and Installation InstructionsStraight-through blow-down valves - STEVI®BBD 4157.0 Care and maintenanceMaintena

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Ari-armaturen STEVI BBD 415 DN 25-50 EN User Manual

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