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7.11 Components and material specification
Motor
Pos.
Component
Material
25
Pressure test plug
Stainless steel
Hexagon socket
25a*
Stainless steel
head cap screw
25b*
Lock washer
Stainless steel
26c
Washer
Stainless steel
37a
O-ring
NBR rubber
48
Stator lamination
55
Stator housing
Cast iron
55a
Circlip
Intermediate seal
housing (SE install.)
58
Cast iron
Upper seal housing
(SL)
Upper seal housing
Cast iron
58a
cover
Bearing bracket
Cast iron
59
cover
Upper bearing
Cast iron
61
bracket
72
O-ring
NBR rubber
72a
O-ring
NBR rubber
77
Lower seal housing
Shaft seal cartridge,
SiC/SiC or
105
complete
SiC/carbon
105a
Locking ring
106
O-ring for shaft seal
107
O-ring
NBR rubber
150
Outer cooling jacket Stainless steel
150b
Inner cooling jacket
150d
Crosshead screw
153
Ball bearing
Stainless steel
154
Ball bearing
Stainless steel
Lower bearing
155
Cast iron
bracket
157
O-ring
NBR rubber
157b
O-ring
NBR rubber
157c
O-ring
NBR rubber
157d
O-ring
NBR rubber
164a
Motor top cover
Cast iron
168
Cable entry
PA or cast iron
168a
Lower cable entry
168b
Cover for connector
172
Shaft with rotor
Stainless steel
Hexagon head
173e
Stainless steel
screw
173f
Spring washer
Stainless steel
External ground
173g
Stainless steel
connector
176a
Terminal block
176c
Plug housing
Hexagon socket
178
Stainless steel
head cap screw
178b
Washer
Stainless steel
181a
Screw
Stainless steel
DIN W.-Nr. /
Pos.
EN
AISI/ASTM
standard
1.4436
316
181b
1.4436
316
1.4436
316
ANSI
182b
DIN 433
B18.22.1
182c
182d
184b
DIN 472
184c
ASTM A48
EN-GJL-250
class 35
ASTM A48
EN-GJL-250
class 35
187a
ASTM A48
EN-GJL-250
class 35
190b
ASTM A48
EN-GJL-250
class 35
198b
198a
198c
520a
520c
1.4307
304
521a
521b
522b* Washer
ASTM A48
EN-GJL-250
522c
class 35
524a
* Only in explosion-proofs pumps.
ASTM A48
Material declaration:
EN-GJL-250
class 35
1.4462
329
1.4436
316
1.4436
316
1.4436
316
1.4436
316
ANSI
DIN 433
B18.22.1
1.4436
316
Component
Material
181
Cable
EMC cable/shield
Hexagon socket
182
Stainless steel
head cap screw
Hexagon socket
Stainless steel
head cap screw
Washer
Stainless steel
O-ring
NBR rubber
183
Screw
Stainless steel
Screw
Stainless steel
Washer
Stainless steel
Hexagon socket
185
Stainless steel
head cap screw
187
Circlip
Washer
Stainless steel
190
Lifting bracket
Stainless steel
Hexagon socket
Stainless steel
head cap screw
193
Plug
Stainless steel
198
Rubber seal
Washer
Washer
Disc spring
Slotted screw
Stainless steel
520
Moisture switch, top
Screw
Leakage switch,
521
bottom
Washer
Zn DIN 127
Screw
522
Bracket
Screw
524
Rubber bush
Disc spring
754
Cooling jacket ring
– Grey cast iron is manufactured according to EN 1561:1997.
– 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.
DIN W.-Nr. /
EN
AISI/ASTM
standard
1.4436
316
1.4436
316
1.4436
316
ANSI
DIN 433
B18.22.1
1.4436
316
1.4408
CF8M
1.4408
CF8M
1.4408
CF8M
1.4436
316
37
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