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SIHI SuperNova Pump ZEN – Hot Water

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The SIHI SuperNova Pump ZEN is a horizontal, single-stage volute casing pump designed for the efficient handling of hot water up to 230°C without the need for external cooling. Built to meet the EN 22858 standard, these pumps are ideal for replacing obsolete or unreliable units. The back pull-out design allows for the removal of the complete bearing unit towards the drive end without detaching the pump casing from the pipework, facilitating easy maintenance. The standard spacer coupling ensures that re-alignment is unnecessary during servicing.

These pumps are part of the heat transfer and circulation pump family, primarily used for circulating hot water in closed pipe and vessel systems. They are commonly applied in energy production, heat transport, and various industrial processes where hot water is preferred over oil as a heat carrier, despite the high system pressure.

Specifications
Technical Data
Advantages
Industries
Applications
Documents
Contact

Specifications

Design: Horizontal, single-stage volute casing pump
Standards Compliance: EN 22858
Maintenance: Back pull-out design with a standard spacer coupling, enabling easy maintenance without removing the pump casing or disconnecting the motor
Temperature Handling: Designed for handling hot water up to 230°C without external cooling
Sizes: Available in 29 construction sizes, ensuring optimal performance for various operating points

Technical Data

Flow Rate: Up to 600 m³/h
Delivery Head: Up to 90 m
Speed: Max. 3,600 rpm
Temperature: Max. 230°C
Casing Pressure: Up to 40 bar (PN 40)
Shaft Seal: Balanced mechanical seal, uncooled
Material: Nodular iron, cast steel
Flange Connections: Material design 1B DIN EN 1092-2 PN 40, 2B DIN EN 1092-1 PN 40
Direction of Rotation: Clockwise, when looking at the pump from the drive end

Advantages

Efficient Temperature Management: Equipped with a double heat barrier, the pump optimizes energy consumption and reduces the temperature in the mechanical seal chamber to less than 100°C without the need for an external cooling circuit, significantly extending the seal’s service life.
Gas Exhaust Design: The special design automatically directs gas accumulation to exhaust, preventing dry operation of the mechanical seal.
Maintenance-Friendly: The back pull-out design allows for easy maintenance without the need to remove the pump casing or disconnect the motor, thanks to the standard spacer coupling.
Versatility: With 29 different construction sizes, the ZEN series offers an optimal solution for a wide range of operating points.

Industries

Energy Production: Ideal for circulating hot water in energy production systems.
Heat Transport: Suitable for systems requiring efficient heat transport using hot water as the heat carrier.
General Industry: Applicable in various industrial processes where hot water is preferred over oil as a heat carrier.

Applications

Hot Water Circulation: Specifically designed for the circulation of hot water in closed pipe and vessel systems.
Industrial Heating: Used in industrial heating systems where efficient handling of hot water is required.
Energy Systems: Optimal for energy production systems that rely on hot water as a heat carrier despite high system pressures.

Documents

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