ZPR / ZPRA (BB2) - single-stage, double-flow process pump with a radially split casing and bearings on both sides

  • Image cut-out of an Apollo ZPR process pump with bearings on both sides in accordance with API 610, pump type BB2 manufactured for offshore use.

    Bild01

  • Close-up of an Apollo ZPRA pump (single-stage, double-flow process pump with between bearings) during assembly of the pump unit. The pump has an axial inlet. Workshop elements and a storage rack can be seen in the background.

    ZPRA01

  • The cutout shows a vertical, single-stage, double-flow feed pump with intermediate storage in accordance with API 610 as vertical BB2. The pump is used on an offshore platform and is color-coded in accordance with NORSOK M-501.

    ZPRV01

A white symbolic image depicting a refinery with an oil tank, steel tower, and flame represents the refinery, oil, and gas industry. The background is blue.
A white symbolic image with a power plant and smokestack represents energy generation. The background is blue.
A white symbolic image of an offshore oil rig represents the offshore industry. The background is blue.
A blue symbol with a chemical compound represents the chemical industry.
The fertiliser industry is represented by a blue symbol showing a pile of earth with a plant growing out of it and fertiliser spread over it.
A white symbolic image showing a plant with three leaves around which an electrical cable with a plug is wrapped represents the renewable energy industry. The background is blue.
A blue symbol image with factories symbolises general industry.

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.

 ZPRZPRA
Q (m³/h)1 5004 000
H (m)450300
P (bar)16055
T (° C)+450+450

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
ZPR: BB2 pump with characteristic curve field for pressure-volume flow characteristics at variable speed.
  • Q= 1500 m³/h
  • H= 450 m
  • P= 160 bar
  • T= + 450°C
ZPR quarter cut
  • 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
  • grey cast iron
  • ductile cast iron, ADI materials
  • cast steel
  • 12 % chromium steel
  • austenitic steel
  • special alloys
Sectional drawing of a ZPR (BB2) centrifugal pump with inducer in blue, yellow, and red.
  • 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.
3D visualization of a BB2 single-stage, double-flow process pump with suction and discharge nozzles arranged in line on the side.
  • Suction and discharge nozzles have inline arrangement
  • optimum casing design for specific design of piping depending on project requirements
ZPRV Viertelschnitt
  • special vertical design as BB2 pump