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SIHI HEGA Multistage Centrifugal Pumps

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The HEGA series multistage centrifugal pumps are designed for trouble-free pumping of clear or slightly dirty liquids across a wide range of industrial applications.

These horizontal pumps feature a sectional casing and closed impellers, offering high efficiency, easy maintenance, and adaptability. Common uses include waterworks, heating plants, pressure-raising installations, and boiler feed systems. Their robust construction ensures reliable operation even under demanding conditions.

Specifications
Design & Features
Applications
Options
Benefits
Documents
Contact

Specifications

Key Performance Data:
- Maximum flow: 190 m³/h
- Maximum head: 425 m
- Speed: Up to 3600 rpm
- Temperature range: -10°C to 190°C (depending on shaft sealing and materials)
- Casing pressure: Up to 40 bar
Materials:
- Casing: Cast iron (GG-25) or stainless steel (AISI 316L)
- Impellers: Cast iron, bronze, or stainless steel (AISI 316L)
- Shaft: Carbon steel or stainless steel (AISI 420/316L)
Connections:
- Flanges: DIN 2501 PN 16 (suction) and PN 40 (discharge)
- Optional ANSI B16.1 class 250 flanges

Design & Features

Horizontal, multistage design with sectional casing for easy maintenance.
Closed impellers with interchangeable parts for flexibility.
Axial thrust balancing through impeller design and adequately sized bearings.
Pivotable suction head casing for easy adaptation to installation conditions.
Robust bearings (cylindrical roller and deep groove ball bearings) lubricated by grease.

Applications

Heating plants.
Waterworks and water supply plants.
Pressure-raising installations.
Circulating water and condensate systems.
Firefighting systems.
Boiler feed systems.
Irrigation plants.
Desalination and purification plants.

Options

Shaft Sealing:
- Uncooled stuffing box.
- Externally flushed stuffing box (lengthened).
- Cooled stuffing box with refrigeration/heating chamber.
- Single mechanical seals (with rubber bellows).
- Double mechanical seals (balanced and pressurised options).
Bearing Options:
- Deep groove ball bearings or angular contact ball bearings (mounted in X arrangement).
Material Configurations:
- Cast iron or stainless steel components based on specific requirements.
Flange Positions:
- Horizontal suction, vertical discharge (customisable configurations).

Benefits

High efficiency with flexible performance characteristics.
Modular design ensures optimal adaptability to operational needs.
Reliable operation at high pressures and temperatures.
Low-maintenance design with robust materials and bearings.

Documents

SIHI Multistage Centrifugal Pumps HEGA

Contact Us

Do you have questions or comments about receiving a quote, our products, solutions and services, and support? Contact us by filling out the form.

Andrew Bishop - tel: 083 089 1204
Phil Soltan (External) – mob: 086 185 3782
Adrian McSweeney – tel: 021 461 7212
Paul-Fox Morris – tel: 021 461 7231
Una Long (Pump & Service Support) – tel: 021 431 7200
Tel: 021 461 7200

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