Xylem LSB - Manual (Page 94)

Installation, Operation and Maintenance Instruction Model LSB
LSB 100-english page 90 Revision 02
Artikel Nr. 771076129 Ausgabe 01/2010
Installation Manual - Single mech. seal without shaft sleeve
(Design code S1..2)
1. Safety Instructions
Every person, who is responsible for the
installation, removal, operation, start-up and
maintenance of the shaft seal, must also have
read and understood the Installation, Operation
and Maintenance Instruction of the particular
pump and especially chapter 8.1 "General
remarks" and chapter 8.2 "General", and follow
the instructions under any circumstances!
For pumps which are designed in conformity
with the Directive 94/9/EG (Atex95) for
environment endangered to explosion, the
additional Operating Instruction for explosion
protection of the mech. seal must be noticed.
The following descriptions are only valid commonly, as
far as they refer to the inner design of the mech. seal.
For possible particularities refer to the data sheet of
the mech. seal or instruction of the mech. seal-
manufacturer.
2. Design Description
This shaft seal is a single mech. seal with installation
dimensions acc. to EN 12756 (DIN 24960) design "K".
API plan 02 / ISO plan 00.
Due to the patented Cyclon Seal Chamber no
additional flushing of the mech. seal chamber is
required.
For data of materials and application range of used
mech. seals refer to the data sheet in the operation
instruction resp. the order confirmation.
Index of parts:
161 Casing cover
210 Shaft
230 Impeller
412.21 O-ring
433 Mech. seal
502.31*) Wear ring
527 a) Fixing ring
560 b) Pin
904.31 a) Set screw
904.32*) Set screw
926 Impeller nut
940.31 Key
*) optional
a) not for all designs
b) only for mech. seals with PTFE-O-rings
This leaflet is subject to alteration!
Nominal
size of
mech. seal
∅
d
1
∅
d
7
l
1K
A B
∅
d
L
33 33 48 42,5 7,5 50 19
43 43 61 45 7,5 52,5 28
53 53 73 47,5 10 57,5 38