LR, LRV, LLR and LR-S USER INSTRUCTIONS ENGLISH 71569088 08-10
Page 47 of 48
flowserve.com
8.7.2 Interchangeability for LRV
1
Silicon carbide bearing
Cutless rubber bearing
Pump size Impeller Shaft
2
Top sleeve
assembly
3
Top bearing
assembly
4
Bearing
bush
assembly
5
Bottom
shaft
sleeve
Bottom
bearing
carrier
Bearing
bush
Bottom
shaft
sleeve
Bottom
bearing
carrier
Casing
wear
ring
3LRV-9 K
B
3LRV-12 L
4LRV-10 M
Q A
A
4LRV-12 N
F
5LRV-10 O
R
C E
B
A
B
A
G
4LRV-11 Q
4LRV-14 R
F
5LRV-13 S
S D F
C B
C
B
G
6LRV-10 P T
C
E
A
B C
A
B C H
5LRV-15 T
G
6LRV-13 V
6LRV-16 W
H
8LRV-12 X
8LRV-14 Y
U E G
D D B
D
D
6LRV-18 Z
J
8LRV-20 AA
10LRV-14 BB
10LRV-16 CC
V F H
E E
E
E
K
10LRV-17 DD
10LRV-18 EE
W G
I
B
F F
C
F F L
1) The LRV impeller, top sleeve assembly, and casing wear ring are also interchangeable with the equivalent LR pump. The LRV pump
casing is not interchangeable with the LR. The LRV clockwise and counter clockwise casings are not interchangeable with each other.
2) For component mechanical seals. Cartridge mechanical seals use different shafts fitted with impeller nuts – see relevant Sectional
arrangement drawings.
3) For inch-type component mechanical seals, includes sleeve, shaft nut and mechanical seal. When metric seals are fitted a different
diameter shaft sleeve is used.
4) Includes bearing housing, bearing cover, ball bearing set, bearing nut and lockwasher.
5) Includes tolerance ring and bearing retaining ring.
9 CERTIFICATION
Certificates determined from the Contract requirements
are provided with these Instructions where applicable.
Examples are certificates for CE marking, ATEX
marking etc. If required, copies of other certificates sent
separately to the Purchaser should be obtained from
the Purchaser for retention with these User Instructions.
10 OTHER RELEVANT
DOCUMENTATION AND MANUALS
10.1 Supplementary User Instructions
Supplementary instructions such as for a driver,
instrumentation, controller, seals, sealant system etc
are provided as separate documents in their original
format. If further copies of these are required they
should be obtained from the supplier for retention
with these User Instructions.
10.2 Change notes
If any changes, agreed with Flowserve Pump Division,
are made to the product after its supply, a record of the
details should be maintained with these User Instructions.
10.3 Additional sources of information
Reference 1:
NPSH for Rotordynamic Pumps: a reference guide,
Europump Guide No. 1, Europump & World Pumps,
Elsevier Science, United Kingdom, 1999.
Reference 2:
Pumping Manual, 9
th
edition, T.C. Dickenson,
Elsevier Advanced Technology, United Kingdom, 1995.
Reference
3:
Pump Handbook, 2
nd
edition, Igor J. Karassik et al,
McGraw-Hill Inc., New York, 1993.
Reference 4:
ANSI/HI 1.1-1.5
Centrifugal Pumps - Nomenclature, Definitions,
Application and Operation.
Reference 5:
ANSI B31.3 - Process Piping.
