Presentation

New PN25 and PN16 ball valve make from China
will be introduced in AP regions
Unrestricted | © Siemens 2021 | 2021-03Page 2
For Clean AHU application
Computer room AHU
AHU / hot water
VAI51..
Data VAI51..
PN class PN25
DN DN15~DN50
Kvs value 4~63 m
3
/h
Medium temperature
-10…120 °C （water）
connection Internal threaded Rp per ISO 7-1
Control characteristics Equal percentage, n
gl
=3 per VDI/VDE 2173
Leakage rate <0.01% of Kvs value
rangabily >=100
Material
body Brass Hpb59-1
Ball and steam Stainless steel
Valve seat PTFE+Graphite
MDB461../MLB461..
Data MDB/MLB461..
PN class PN16
DN DN15~DN50
Kvs value 6.3~63 m
3
/h
Medium temperature
-10…120 °C （water）
connection Internal threaded Rp per ISO 7-1
Control characteristics Equal percentage, n
gl
=3 per VDI/VDE 2173
Leakage rate <0.01% of Kvs value
rangability >=100
Material
body Brass Hpb59-1
Ball and steam Stainless steel
Valve seat PTFE+Graphite
2P/3P modulation
SR  
NSR  
2P/3P modulation
SR  
NSR  
For AHU / hot water application