Pentair Nocchi VLR 16, Инструкция по эксплуатации

Страница: 9 / 27

29
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.
1.10 SERVICE
DeSCRIPtIon
CHaPter 2
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
2.1 DESCRIPTION
• VLR motor-pumps are directly
coupled to an asynchronous single or
three-phase motor with closed casing
and external ventilation
• VLR motor-pumps are not
self-priming and need a priming
procedure
• VLR motor-pumps can be equipped
with oval or round flanges
GB
COMPONENTS VLR VLR32 VLRI VLRX
BaSe
Ghisa en GJL 200 Cast iron Ghisa en GJS 500 Cast iron aISI 316 aISI 316
HeaDatoCK
Ghisa en GJL 200 Cast iron Ghisa en GJL 200 Cast iron See note 1 See note 1
SHaFt
aISI 316 aISI 431 aISI 316 aISI 316
IMPeLLeRS anD CHoKe
aISI 304 aISI 304 aISI 304 aISI 316
eXteRnaL CYLInDeR
aISI 304 aISI 304 aISI 304 aISI 316
tIe RoDS
Steel zincate aISI 316 aISI 316 aISI 316
MeCHanICaL SeaL
RotatInG tungsten tungsten tungsten tungsten
FIXeR tungsten Grafite tungsten tungsten
o-RInG
ePDM ePDM ePDM ePDM
SeaLS
Paper - Paper Paper
NOTE: EN GJL 200 (ex G220) cast iron with internal steel drivehead.
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
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.
wARNNG