Flowserve PA46 Manuel d'utilisateur

1GESTRA Steam SystemsPA 46PA 47MPA 46MPA 47Installation Instructions 81844700RapidAction Intermittent Valve for Removing Boiler Sludge PA 46, PA 47

10Fig. 1Technical Data  continued Capacity chart PA 46, PA 47, MPA 46, MPA 47Calculation of the amount of boiler water to be discharged according to

11Fig. 2Technical Data  continued Control pressure chart MPA 46, MPA 47Control pressure [bar]Boiler pressure [bar]

12Design PA 46, PA 47Fig. 3WVUTS3QPRNLOMKJIH1ACDBFEG

13Design MPA 46, MPA 47Fig. 4WCDBFEGYVXTS3QPRNLOMKJIH42Z

14KeyA Locking lever B Mounting bracket C Check holeD Valve plug E Name plate F Gasket D 38 x 44 (DN 2032), D 52 x 60 (DN 4050) G Sealing plug H Val

15PA 46, PA 47, MPA 46, MPA 47InstallationThe intermittent valve for removing boiler sludge can be installed in horizontal or vertical pipes. The ha

16Heat treatment of weldsA subsequent heat treatment of the welds is not required.1. Observe position of installation. The hand lever 1 or the hand l

17OperationDuration and frequency of intermittent boiler blowdownWhen the GESTRA intermittent valve opens, a localized lowpressure area forms around

18Replacing stuffing box PA 46, PA 47 1. Undo retaining piece 3 for forkhead T and pull out hand lever 1. Fig. 3 2. Unscrew hexagonhead cap screws W

19Replacing stuffing box, valve seat and valve plug PA 46, PA 47 1. Undo retaining piece for forkhead T and pull out hand lever 1. Fig. 3 2. Unscrew

2ContentsImportant NotesUsage for the intended purpose ...

20Maintenance  continued Replacing stuffing box MPA 46, MPA 47 1. Detach pressure line for the control fluid of the diaphragm actuator from the scre

21Maintenance  continued Replacing stuffing box, valve seat and valve plug MPA 46, MPA 47 1. Detach pressure line for the control fluid of the diaph

22WINIX® 5000 is a registered trademark of WINIX GmbH, NorderstedtMaintenance  continued If fluid leaks out of the control hole C, retighten the st

23TorquesAll torques indicated in the table are based at a room temperature of 20 °C.Maintenance  continued Tools Spanner A. F. 13 mm, DIN 3113,

24Fig. 5Maintenance  continued Single parts of stuffing box, valve plug, valve seatFig. 6NMLKLJHD

25Fig. 7Maintenance  continued Mounting/removing valve seatFig. 8

26Maintenance  continued Mounting/removing control membraneFig. 967895

27Key5 Hexagonhead bolt M8 with hexagon nut M8 6 Upper part of the diaphragm actuator 7 Control membrane8 Lower part of the diaphragm actuator with c

28TorquesRetrofitting  continued All torques indicated in the table are based at a room temperature of 20 °C.Mounting the forkhead (hand lever for e

29Spare PartsSpare parts listItem DesignationStock code Stock codePA 46, PA 47 MPA 46, MPA 47J KL MN FInternal parts of stuffing box, DN 20 to DN 50:Ba

3MaintenanceDanger ...

30DecommissioningDangerRisk of severe burns and scalds to the whole body!Before loosening flanged connections, stuffing box unions or sealing plugs make

31We hereby declare that the pressure equipment PA 46, PA 47, MPA 46 and MPA 47 conform to the following European Directives: Pressure Equipment Dir

32www.gestra.de81844700/1205cm · © 2004 GESTRA AG · Bremen · Printed in GermanyGESTRA Agencies all over the world:Great BritainFlowserve Flow Control

4Important NotesSafety NoteThe equipment must only be installed and commissioned by qualified and competent staff.Retrofitting and maintenance work must

5Classification pursuant to Article 9 of the Pressure Equipment Directive (PED) 97/23/ECClassification pursuant to Annex 1 of ATEX Directive 94/9/ECImpo

6Explanatory NotesScope of supplyPA 46 1 Intermittent valve for removing boiler sludge PA 461 Hand lever1 Installation manualPA 47 1 Intermittent valv

7Explanatory Notes  continued DescriptionIntermittent valves for manual or automatic and programmecontrolled removing of boiler sludge from land

8Technical Data Pressure Ratings (M)PA 46 EN – PN 40 Class 150, 300 (M)PA 47 EN – PN 63 Class 400 Materials Designation DIN EN DIN ASTM Body *) PA...

9Name plate / MarkingAccording to EN 19 the name plate and the housing indicate the valve type and design: Type designation PA 46, PA 47: Design