Grundfos SE1 50 Series User Manual

English (GB)
29
12.3 Position numbers and material specification
Material declaration:
• Grey cast iron is manufactured according to EN 1561:2012.
• Cast stainless steel is manufactured according to EN
10283:2010.
• Conversion to other standards such as AISI/ASTM is
normative, and products are not manufactured according to
these.
Pos. Designation Material
DIN W.-Nr./
EN standard
6a Pin Stainless steel 1.4301
7a Rivet Stainless steel 1.4301
9a Key Stainless steel
37 O-ring NBR rubber
37a O-ring NBR rubber
37b O-ring NBR rubber
46 Seal ring Stainless steel 1.4301
48 Stator
49
SuperVortex impeller
Cast iron/
stainless steel
EN-GJL-200/
EN-GJL-250
S-tube
®
impeller Cast iron EN-GJL-250
49c Wear ring Stainless steel 1.4301
50 Pump housing Cast iron
EN-GJL-200/
EN-JL1030
55 Stator housing Aluminium EN AB-AISi 10 mg
58 Oil chamber cover Cast iron
EN-GJL-200/
EN-JL1030
59 Bearing cover, lower Cast iron
EN-GJL-250/
EN-JL1040
60 Bearing cover, upper Cast iron
EN-GJL-250/
EN-JL1040
61 Bearing retainer Cast iron
EN-GJS-450-10/
EN-JS1040
66 Washer Stainless steel 1.4305
76 Nameplate Stainless steel 1.4401
92 Clamp Stainless steel 1.4401
92a Screw Stainless steel
102 O-ring NBR rubber
105 Shaft seal complete
Primary seal:
Stainless
steel, SiC/SiC
Secondary
seal:
Carbon/
ceramics
106 O-ring NBR rubber
107 O-ring NBR rubber
108 O-ring NBR rubber
109 Retaining ring
150 Sleeve Stainless steel
1.4301/
(optional 1.4401)
150a
Stator housing
complete
151 Motor top Cast iron
EN-GJL-250/
EN-JL1040
153 Ball bearing, lower 6306
153b Retaining ring
154 Ball bearing, upper 6304
155 Intermediate flange Cast iron
EN-GJL-250/
EN-JL1040
157 Corrugated spring Stainless steel
158 Corrugated spring Carbon steel 1.1248
159 O-ring NBR rubber
172 Shaft with rotor
Carbon steel/
stainless steel
1.0432/
1.4401
173 Earth screw Stainless steel
173a Lock washer Stainless steel
174 Earth screw, external Stainless steel
174a Washer Stainless steel
176 Pin housing
177 Plug protector Stainless steel 1.4408
181 Cable/outer plug part H07RN-F / -
182 Screw Stainless steel
183 Screw Stainless steel
183a Washer Stainless steel
184 Screw Stainless steel
184a Washer Stainless steel
186 Screw Stainless steel
187 Screw Stainless steel
188a Screw Stainless steel
190 Lifting bracket Stainless steel 1.4301
190a Rubber sleeve NBR rubber
192 Cooling paste
193 Screw Stainless steel
193a Oil
Shell Ondina
X420
194 Gasket Nylon
198 O-ring NBR rubber
520 Moisture switch
521
Water-in-oil sensor
(WIO)
522 Bracket for WIO sensor
Q and R variants with SuperVortex impeller are
available on request, including O-rings of FKM and
intermediate flange of stainless steel.
Pos. Designation Material
DIN W.-Nr./
EN standard

Grundfos SE1 50 Series Specifications

General

Brand	Grundfos
Model	SE1 50 Series
Category	Water Pump
Language	English