Flowserve UNA 23 User Manual
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2
Contents
Usage for the intended purpose .............................................................................................................. 4
Safety note ............................................................................................................................................. 4
Danger ................................................................................................................................................... 4
Attention ................................................................................................................................................ 4
PED (Pressure Equipment Directive) ....................................................................................................... 4
ATEX (Atmosphère Explosible) ................................................................................................................ 4
Important Notes
Page
Explanatory Notes
Scope of supply ...................................................................................................................................... 5
Description ............................................................................................................................................. 5
Function ................................................................................................................................................. 5
Designs .................................................................................................................................................. 5
UNA 23h/v, UNA 25h/v, UNA 26h/v, UNA 27h ........................................................................................ 12
Design with flanges .............................................................................................................................. 12
Design with screwed sockets ............................................................................................................... 12
Design with socket-weld ends ............................................................................................................. 12
Design with butt-weld ends .................................................................................................................. 12
Attention .............................................................................................................................................. 13
Heat treatment of welds ....................................................................................................................... 13
Hand vent valve .................................................................................................................................... 13
Tools .................................................................................................................................................... 13
Hand vent valve (optional extra) ............................................................................................................ 13
Installation
Commissioning
UNA 23h/v, UNA 25h/v, UNA 26h/v, UNA 27h ........................................................................................ 13
Design
Components ................................................................................................................................... 8 – 10
Key to components .............................................................................................................................. 11
Technical Specification
UNA 23h/v, UNA 25h/v, UNA 26h/v, UNA 27h .......................................................................................... 6
Pressure / temperature ratings ............................................................................................................... 6
Corrosion resistance .............................................................................................................................. 6
Sizing ..................................................................................................................................................... 6
Name plate / marking ............................................................................................................................. 7