Grundfos CR 155 - CRN 95, 125 and 155

Construction
CR, CRN 95-155
2
9
CRN 95, 125 and 155
Materials, CRN
1)
Only fitted on pumps with 100 Hp (75 kW) motors or larger.
TM06 9203 1917 - TM06 9208 1917 - TM06 921 01917 TM06 5161 1917
ANSI flange PJE (Victaulic type)
1
2
3
4
6
8
9
10
12
11
13
5
7
Pos. Designation Materials DIN/EN ≈ AISI/ASTM
1 Motor stool Ductile cast iron EN-GJS-500-7 ASTM A536-84 70-50-05
2 Shaft Stainless steel EN10088 1.4462 318 LN
3 Shaft seal (seal faces) Silicon carbide/Silicon carbide - -
4 Pump head Stainless steel EN10283 1.4408 CF 8M
5 Support bearing (bush) Carbon-graphite filled PTFE - -
6 Impeller Stainless steel EN10088 1.4401 AISI 316
7 Neck ring PEEK - -
8 Chamber Stainless steel EN10088 1.4401 AISI 316
9 Sleeve Stainless steel EN10088 1.4404 AISI 316 L
10 Bearing ring
Tungsten carbide/Tungsten
carbide
--
11 Thrust handling device
1)
Stainless steel
EN10088 1.4401
EN10283 1.4408
AISI 316/CF 8M
Silicon carbide/Tungsten carbide - -
12 Base Stainless steel EN10283 1.4408 CF 8M
13 Base plate Ductile cast iron EN-GJS-500-7 ASTM A536-84 70-50-05
Rubber parts EPDM or FKM - -