Wilo Helix VE 22 Série Notice De Montage Et De Mise En Service page 42

English
5. Product information
5.1 Type key
Example: VE2205­1/16/E/K/xxxx
Helix V
Helix FIRST V
E
22
05
­1
25
/E
/K
/2G
42
High­efficiency multistage in­line pump in vertical design
Equipped with a frequency converter
Rated flow rate in m 3 /h
Number of stages
Pump material code
1 = Pump housing Stainless steel 1.4308 (AISI 304)
+ Hydraulics 1.4307 (AISI 304)
2 = Modular pump housing Stainless steel 1.4409 (AISI 316L)
+ Hydraulics 1.4404 (AISI 316L)
3 = Modular pump housing Cast Iron EN-GJL-250 (ACS and WRAS approved coating)
+ Hydraulics 1.4307 (AISI 304)
4 = Monobloc Pump housing cast iron EN-GJL-250 (ACS and WRAS approved coating)
+ Hydraulics 1.4307 (AISI 304)
5 = Monobloc Pump housing cast iron EN-GJL-250 (standard coating)
+ Hydraulics 1.4307 (AISI 304)
Pipe connection
16 = PN16
25 = PN25
30 = PN40
E = EPDM O­rings (WRAS/KTW)
V = VITON O-rings
K = cartridge mechanical seal
2nd generation frequency converter
WILO SE 03/2019