Flowserve PA46 User Manual
Page 2

Contents
Important Notes
Usage for the intended purpose ..............................................................................................................4
Safety note .............................................................................................................................................4
Danger ...................................................................................................................................................4
Classification pursuant to Article 9 of the Pressure Equipment Directive (PED) 97/3/EC .........................5
Classification pursuant to Annex of ATEX Directive 94/9/EC ..................................................................5
Explanatory Notes
Scope of supply ......................................................................................................................................6
Description .............................................................................................................................................7
Function .................................................................................................................................................7
Page
Installation
PA 46, PA 47, MPA 46, MPA 47 .............................................................................................................5
Flanged design .....................................................................................................................................5
Socketweld design ..............................................................................................................................5
Buttweld design .................................................................................................................................6
Heat treatment of welds .......................................................................................................................6
Mounting of hand lever ........................................................................................................................6
Commissioning
PA 46, PA 47, MPA 46, MPA 47 ............................................................................................................6
End connection .......................................................................................................................................8
Pressure ratings .....................................................................................................................................8
Materials ................................................................................................................................................8
Pressure & temperature ratings ..............................................................................................................8
Corrosion resistance ...............................................................................................................................9
Sizing .....................................................................................................................................................9
Name plate/ marking ..............................................................................................................................9
Capacity chart PA 46, PA 47, MPA 46, MPA 47 ......................................................................................0
Control pressure chart MPA 46, MPA 47 ................................................................................................
Technical Data
Design
PA 46, PA 47 .........................................................................................................................................
MPA 46, MPA 47 ...................................................................................................................................3
Key .......................................................................................................................................................4
Operation
Duration and frequency of intermittent boiler blowdown .......................................................................7