7 Servicing/Maintenance
47 of 72
Vitachrom
7.5.2.1 Seal sizes for double mechanical seals
Table 19:
Seal sizes
Size
Sealing element
Nominal impeller diameter
[mm]
125
160
200
250
50
Primary seal
KU038R
KU038R
KU038R
KU048R
Secondary seal
KU022SO
KU022SO
KU022SO
KU028SO
65
Primary seal
KU038R
KU038R
KU038R
KU048R
Secondary seal
KU022SO
KU022SO
KU022SO
KU028SO
80
Primary seal
KU038R
KU038R
-
KU048R
Secondary seal
KU022SO
KU022SO
-
KU028SO
100
Primary seal
-
-
KU048R
-
Secondary seal
-
-
KU028SO
-
125
Primary seal
-
-
KU048R
-
Secondary seal
-
-
KU033SO
-
7.5.2.2 Material code for single and double mechanical seals
Table 20:
Material code
Primary seal
Secondary seal
Variant code
I01/T11
I06/T16
I03/T13
I08/T18
I02/T12
I07/T17
I04/T14
I09/T19
I10/T20 I21/T31 T11, T12, T13, T14,
T15, T16, T17, T18,
T19, T20, T31
Code sequence
Description
Code to DIN EN 12756
1
Primary ring
B
Q12
B
Q12
Q22
Q12
B
2
Mating ring
Q1
Q1
Q1
Q1
Q2
Q1
Q1
3
Secondary seals
E1-04
E1-04
V26
V26
E1-04
M1
E
4
Spring
G
G
G
G
G
G
G
5
Other components
G
G
G
G
G
G
G
Table 21:
Key to materials
Code
10)
Material
B
Carbon, resin-impregnated (FDA-approved)
Q1/Q12
Silicon carbide, sintered without pressure (FDA-approved)
Q2/Q22
Silicon carbide, reaction-bonded (FDA-approved)
E1-04
EPDM (FDA-approved, 3-A, USP VI)
V26
FPM (FDA-approved, 3-A, USP VI)
M1
PTFE (FDA-approved)
G
CrNiMo steel
10)
DIN EN 12756
Содержание Vitachrom
Страница 1: ...Hygienic Pump in Close coupled Design Vitachrom Installation Operating Manual ...
Страница 68: ...Index 68 of 72 Vitachrom W Warnings 7 Warranty claims 6 ...
Страница 69: ......
Страница 70: ......
Страница 71: ......