BB2 - ZPR / ZPRA

Bild01
ZPRA01
ZPRV01

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Single-stage, double suction volute casing pump according to API 610 or ISO 5199. The ZPR process pump is especially suitable for high pressures and high temperatures and can be designed with a variable casing design according to customer requirements.

	ZPR	ZPRA
Q (m³/h)	1 500	4 000
H (m)	450	300
P (bar)	160	55
T (° C)	+450	+450

Range of application

Based on solid design, between-bearings version, low NPSH values, and the suitability for high pressure and temperature this pump series have various applications:

refineries
petrochemical plants
special applications
offshore engineering
power plants
system areas - oil and gas tanks

Operating data, Characteristic Curves

Q= 1500 m³/h
H= 450 m
P= 160 bar
T= + 450°C

Design features and properties

single-stage, radial-split, volute casing pump of double-volute design
double-flow impeller
with bearings on both sides BB2
centerline-supported
variable nozzle arrangement possible
internal and external sealing by means of helical wound metal/graphite seal
a design with wear plate is possible
ZPRV as vertical version

Materials

grey cast iron
ductile cast iron, ADI materials
cast steel
12 % chromium steel
austenitic steel
special alloys

Design with Inducer

Inducer is an additional upstream impeller of screw type which provides very low NPSH values
Design of the inducers is selected according to specific application range of Customer.
In case of double-flow impeller upstream inducers are applied on both sides.