Flowserve QLQ Vertical Worthington - Manual (Page 15)

QLQ, QLQC USER INSTRUCTIONS ENGLISH 87900027 – 06/14
Page 15 of 61
3 PUMP DESCRIPTION
Should questions arise concerning the pump,
Flowserve pump division will require the complete
serial number to be of assistance. The serial number
is stamped on a metal nameplate affixed to the
discharge head assembly. The driver will have a
separate nameplate attached to it. If you are
requesting information on the driver, please provide
both the driver serial number and the pump serial
number to Flowserve representative.
3.1 Configurations
QLQs, are engineered pumps as:
(a) Wet pit (sump) type
(b) Double casing (can) type pumps.
Most pumps are built with customer specific features
and for applications such as water pumping stations,
storm water service, industrial, O & G, power
applications. The pumps vary in size, impeller types
and length, whether it is an open shaft or enclosed
shaft designs and type of discharge head used.
3.1.1 Wet Pit (sump) Type QLQ
3.1.2 Suction barrel (Can) QLQC
3.2 Nomenclature
The pump size/ serial number will be engraved on the
nameplate typically as below: The nameplate is
attached to the discharge head assembly.
3.2.1 Bowl assembly nomenclature
12 QLQ 18 / 45 / 4
Nominal Bowl Discharge
flange inches
Bowl Model QLQ
First Stage Impeller
Nominal Dia. – inches
Additional Stages Model
Total Number of Stages