Material Specification - Helical Rotor Pump - Grundfos IO 100 Product Manual

Technical data

Material specification - helical rotor pump

Pos. Description Material
1 Valve casing Polyamide
1a Discharge chamber Stainless steel
1d O-ring NBR
2 Valve cup Polyamide
3 Valve seat NBR
6 Flange, upper Stainless steel
7a Circlip Stainless spring steel
9 Pump stator Stainless steel/EPDM
Hard-chromed stain-
13 Pump rotor
less steel
16 Torsion shaft Stainless steel
39 Valve spring Stainless spring steel
55 Outer sleeve Stainless steel
70 Valve guide Polyamide
Cable guard Stainless steel
Screws for cable
Stainless steel
guard
SQF Example: 6 SQF - 2
EN/DIN AISI
1.4301 304
1.4301 304
1.4310 310
1.4301 304
1.4301 304
1.4401 316
1.4406 316 LN
1.4301 304
1.4301 304
1.4401 316
SQFlex
1a
2
39
70
1d
3
1
7a
6
9
13
55
16
31