Product Overview: The Wilo-NX is a stainless steel horizontal end-suction centrifugal pump that complies with the EN 733 standard. It is suitable for transporting liquids in various special water qualities and industrial fields. It is delivered as a complete pump (including pump head, motor, and base) with installation and operation & maintenance instructions. Some accessories need to be ordered separately.

Advantages and Features
- Diverse Pump Head Materials: It can adapt to various working conditions.
- Multiple Mechanical Seal Flushing Schemes: Meeting different requirements.
- Easy Maintenance Design: Equipped with easily removable short sections for convenient maintenance.
Structure Type: It adopts a unit combination structure, with a coupling, coupling guard, motor, and base, mechanical seal, axial water inlet and radial water outlet. Some models are equipped with easily removable short sections, and the shaft deflection meets the requirements of ISO 5199.
Application Range
- Transporting water with high negative ion content such as clean water, seawater, brine, brackish water, and light oil or liquid media that are corrosive, require pollution prevention, have no solid particles, and are not easy to crystallize.
- Applied in fields such as seawater desalination, pure water systems, general industry, and heavy industry.
Technical Data
- Temperature Range: -20°C to +120°C.
- Power Supply: 3~380V ±10%, 50Hz.
- Protection Level: IP55.
- Nominal Diameter: DN 32 - DN 300.
- Maximum Working Pressure: 13bar (up to 140°C), 16bar (up to 120°C).
Materials: Stainless steel spiral volute. The standard mechanical seal allows a maximum water temperature of -10°C to +80°C (separate confirmation is required if it exceeds this range).
Debugging Requirements: It is designed to be installed and operated in a closed space (such as an equipment room). Before commissioning, it must adapt to the ambient temperature. It is necessary to properly fill and vent the entire set of equipment. Dry running will damage the sliding ring seal, so ensure that the pump does not run dry.

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