Flowserve VTP Wet Pit - Manual (Page 16)

VERTICAL TURBINE PUMPS (VTPS) CENTRIFUGAL PUMPS ENGLISH 71569224 – 10-13
Page 16 of 76 flowserve.com
Nomenclature 3.2
The pump size/ serial number will be engraved on
the nameplate typically as below: The nameplate is
attached to the discharge head assembly.
Bowl assembly nomenclature 3.2.1
12 E J H-3
Nominal Bowl Diameter-inches
Impeller Type (A or E or S)
A=Axial, E=Enclosed, S=Semi-open
Bowl Model Types
B,J,K,H,L,M,N,P,Q,R,T,V….
Impeller Model Designation
L, M, H, Y…..
No. of Stages
The typical nomenclature above is the general guide
to the VTP configuration description. Identify the
actual pump size and serial number from the pump
nameplate. The driver will have a separate
nameplate attached it.
Discharge head nomenclature 3.2.2
Consists of alphanumeric code as follows.
Examples: 8W16, 10HF20, 6TF16,…….
10 HF 20
Nominal driver base diameter in inches
Discharge head type (see details below)
Nominal discharge diameter in inches
W = Cast head- for horizontal above the ground discharge
HF = Fabricated head for above the ground discharge
TF & LF = Fabricated heads with base flange
UF = Fabricated head for below ground discharge
HFL = Fabricated head for above ground discharge - Low H.P
HFH = Fabricated head for above the ground discharge -High H.P.
Please see section 3.2.2.1 for discharge head types
and identification.
Types of discharge heads 3.2.2.1
Typical discharge head types. Details (a) thru (g).
a) W type cast discharge head
b) HF type fabricated discharge head
(Typically with square base plate)
c) TF type fabricated discharge head