Service; How To Use The Supplied Documents; Description - Pentair VLR Serie Manual De Instrucciones

1.10 SERVICE

wARNNG
If the pump has been used with noxious or toxic fluids, the pump will be classified as polluted and PENTAIR
INTERNATIONAL S.a.r.l. will have the right to refuse offering its assistance for the pump.
For all assistance requests, contact:
PENTAIR INTERNATIONAL S.a.r.l. – Servizio Assistenza
Via Masaccio, 13
56010 Lugnano - PISA - ITALY
Tel. 050/71.61.11 - Fax 050/70.31.37

1.11 HOw TO USE THE SUPPLIED DOCUMENTS

We recommend the operators to carefully read the supplied documents before carrying out any operation on the machine
The supplied documents must be kept for the whole life of the machine so that it can be easily found when necessary.
If the machine is sold as second-hand, it must be sold together with the supplied documents.
CHaPter 2

DeSCRIPtIon

2.1 DESCRIPTION
2.1.1 ARCHITECTURE AND OPERATING PRINCIPLES
• VLR motor-pumps are centrifugal,
vertical multistage motor-pumps with
"in-line" suction inlets and delivery
2.1.2 MACHINE STRUCTURE
COMPONENTS
BaSe
HeaDatoCK
SHaFt
IMPeLLeRS anD CHoKe
eXteRnaL CYLInDeR
tIe RoDS
MeCHanICaL SeaL
o-RInG
SeaLS
NOTE: EN GJL 200 (ex G220) cast iron with internal steel drivehead.
• VLR motor-pumps are directly
coupled to an asynchronous single or
three-phase motor with closed casing
and external ventilation
VLR
Ghisa en GJL 200 Cast iron
Ghisa en GJL 200 Cast iron
aISI 316
aISI 304
aISI 304
Steel zincate
RotatInG tungsten
FIXeR tungsten
ePDM
Paper
• VLR motor-pumps are not
self-priming and need a priming
procedure
• VLR motor-pumps can be equipped
with oval or round flanges
VLR32
Ghisa en GJS 500 Cast iron
Ghisa en GJL 200 Cast iron
aISI 431
aISI 304
aISI 304
aISI 316
tungsten
Grafite
ePDM
-
VLRI VLRX
aISI 316 aISI 316
See note 1 See note 1
aISI 316 aISI 316
aISI 304 aISI 316
aISI 304 aISI 316
aISI 316 aISI 316
tungsten tungsten
tungsten tungsten
ePDM ePDM
Paper Paper
GB
29