Water Centrifugal Pumps to ANSI ISO and DIN Standards
Water Centrifugal Pump Manufacturer

Water Centrifugal Pumps Built to ANSI ISO and DIN Standards

Flowsteer Pumps is a professional and leading manufacturer, specializing in Centrifugal Pump for water application — end suction, vertical sump and complete pump sets for water supply, treatment, fire fighting, irrigation and cooling.

  • ANSI/ASME B73.1
  • ISO 2858 / ISO 5199
  • BS EN 733 / DIN 24255
  • Q up to 1100 m³/h
  • H up to 152 m

What We Make

Horizontal end suction, vertical sump and complete water pump sets built to ANSI ISO and DIN dimensional standards.

Who We Serve

Water and waste water treatment, city water supply, fire protection, HVAC, irrigation and cooling projects worldwide.

What Problem We Solve

A standardised pump that drops onto the existing base and pipework, so a replacement does not become a rebuild.

Why Customers Choose Us

Standardised, fully interchangeable hydraulics with a back pull out layout and a short, common spare parts list.

All Products

Water Centrifugal Pumps and Vertical Sump Pumps

Six series covering DN 25 to DN 400, flow from 2 to 1100 m³/h and head up to 152 m in cast iron, ductile iron, carbon steel, stainless steel, bronze and thermoplastic.

KCP Water Centrifugal Pump - KCP Series
ISO Water Centrifugal Pump

KCP Water Centrifugal Pump

Horizontal single-stage, back-pull-out, PP / PE / UHMW-PE

  • Type  Horizontal, single-stage
  • Construction  Back-pull-out design
  • Impeller  Closed or semi-open
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VNP Vertical Water Pump - VNP Series
Vertical Water Pump

VNP Vertical Water Pump

Vertical sump pump for water and waste water. Pump material is PP.

  • Type  Vertical, single-stage
  • Construction  Back-pull-out design according to ISO 2858
  • Installation Versions  Wet installation
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Standards

Pick the Pump by the Standard Your Plant Runs On

The dimensional standard decides whether a pump bolts straight onto the existing foundation. These are the four families we build to.

ANSI/ASME B73.1

Fixes the mounting feet, shaft extension and nozzle positions for each frame size. The CN series follows it, with ANSI B16.5 150LB and 300LB flanges.

ISO 2858 and ISO 5199

ISO 2858 sets the dimensions and ISO 5199 the technical requirements. The CI series follows both and is fully interchangeable with other brands.

BS EN 733 / DIN 24255

The European end suction standard rated to 10 bar. The FA series follows it, with DIN 2501 flanges as standard.

Vertical Sump to ISO 2858

The VNP series uses an ISO 2858 back pull out hydraulic end on a vertical wet installed column in PP.

Manufacturing

Machining Assembly and Testing Under One Roof

Casings and impellers are machined in house under overhead travelling cranes, staged through the parts store and assembled into complete sets. Finished pumps are coupled up on the test bench with suction and discharge lines connected before they leave.

  • Multi level parts store holding castings and rotating assemblies
  • Machining bays served by overhead travelling cranes
  • Component staging ahead of assembly
  • Test bench with suction and discharge lines connected
How We Work

From Duty Point to Delivered Pump Set

Duty Point

Flow, head, liquid, temperature and the frequency of the supply.

Selection

The series and size are picked against the standard the plant runs on.

Materials

Casing, impeller, shaft and seal are specified for the liquid.

Build and Test

The set is assembled, aligned on its baseplate and run on the test bench.

Delivery

The complete set is packed and shipped with its documentation.

About Us

A Professional Supplier of Water Centrifugal Pumps

Flowsteerpumps is a professional supplier of water centrifugal pumps in the world. Our development is guided by attention to the requirements, recommendations and customers’ claims, by analysis of customer satisfaction, by constant checks of the effectiveness of the operational processes and by continuous training of the personnel in cutting-edge technological innovations.

These are the main cardinal points which guide the company in defining its strategic objectives.

Flowsteer Pump - Flowing the World
FAQ

Water Centrifugal Pump Questions

Which water pump standards do you build to

ANSI/ASME B73.1 for the CN series, ISO 2858 and ISO 5199 for the CI series, BS EN 733 / DIN 24255 for the FA series, and ISO 2858 back pull out practice on the VNP vertical sump pump.

What is the widest flow range you can cover

The FA series runs from 2 to 1100 m³/h with head from 2 to 152 m. The DE series covers DN 25 to DN 400 with flow up to 600 m³/h.

Can you supply stainless steel or thermoplastic wetted parts

Yes. SS304 and SS316 are available on the CI series, SS304 on the CN series, stainless steel options on the FA series, and PP, PE or UHMW-PE on the KCP and VNP series.

Do you supply bare shaft pumps or complete sets

The FA and DE series are described as complete sets. The KCP series is offered on a welded base frame or a cast iron base plate.

Will a Flowsteer pump fit my existing baseplate

If the existing pump is built to the same standard, yes. That is the purpose of ANSI/ASME B73.1, ISO 2858 and EN 733 — they fix the mounting and nozzle dimensions so pumps of the same size exchange.

How do I ask for a quotation

Send the duty point — flow, head, liquid, temperature and supply frequency — by email and we will come back with the series and size.

Send Us Your Duty Point

Flow, head, liquid, temperature and supply frequency are enough for us to select the right series and size.

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Water Centrifugal Pump Manufacturer supports sourcing programs with repeatable production, export packing, and clear communication for overseas buyers.

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QC processInspection before container loading
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Water Centrifugal Pump Manufacturer factory / product detail

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