QI
QI End-Suction Water Pump
QI is a horizontal end-suction pump for water supply, transfer and irrigation. Its back-pull-out construction provides rear access to the rotating assembly.
- water supply
- circulation
- pressure boosting
Centrifugal Water Pumps
End-suction and in-line pumps for water supply and circulation.
Compare QI end-suction pumps and QIG vertical in-line pumps for water transfer, irrigation, circulation and pressure boosting. Review the operating duty and pipe layout before choosing an arrangement.
Compare end-suction and in-line pumps
QI uses a horizontal end-suction layout. QIG uses a vertical in-line layout. Compare the pipe positions, installation space and required water duty.
QIG
QIG Vertical In-Line Pump
QIG combines the pump and motor in a compact vertical in-line arrangement. It is used for pipeline boosting, circulation and building-water systems.
- building water supply
- pipeline boosting
- HVAC
Compare applications and selection requirements
Compare the series against the same operating duty. The catalogue links lead to model information; the table below is a selection guide.
| Series | Typical uses | What to check | Data source |
|---|---|---|---|
| QI | water supply, circulation, pressure boosting, irrigation | installation arrangement; power supply and drive method; materials, standards and inspection requirements; required supply scope | Catalogue ↗ |
| QIG | building water supply, pipeline boosting, HVAC, hot- and cold-water circulation | installation arrangement; power supply and drive method; materials, standards and inspection requirements; required supply scope | Catalogue ↗ |
Applications for centrifugal water pumps
Water supply
Circulation
Pressure boosting
Irrigation
Building water supply
Pipeline boosting
Water duty and pipe layout
The water source and delivery point define the duty. Pipe positions and maintenance space help distinguish the end-suction and in-line layouts.
- Required water flow and total head
- Water temperature and composition
- Available inlet pressure or water levels
- Pipe connections and maintenance space
- Power supply
Technical documents
Industrial pump brochure
Series information and available model references.
Centrifugal Water Pumps questions
When should I compare QI with QIG?
QI uses an end-suction arrangement; QIG uses a compact vertical in-line arrangement. Compare the pipe layout, required duty and liquid temperature before confirming the model.
Should I choose an end-suction or vertical in-line pump?
Compare QI end-suction and QIG vertical in-line pumps at the same flow and head. Then check the pipe layout, inlet conditions, available space and maintenance access for the proposed installation.
What equipment and documents should I request?
Specify the pump, drive, controls, accessories, spare parts and technical documents you need. The final configuration and supply scope are confirmed in the quotation.
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