ISO 15783:2002

Overview

ISO 15783:2002 - Seal-less rotodynamic pumps - Class II - Specification defines requirements for seal-less rotodynamic pumps driven by permanent magnet couplings (magnetic drive pumps) or canned motors. The standard covers pumps where the inner rotor is fully contained within a pressure vessel (primary containment) sealed by static seals (gaskets or O‑rings). It focuses on safe, maintainable designs for use in chemical processes, water treatment and petrochemical industries, and for installations driven by space, noise, environmental or safety constraints. ISO 15783:2002 is the Class II specification (less stringent than Class I) and sets out items to be agreed between purchaser and supplier.

Key Topics and Requirements

• Design requirements for hydraulic end and power drive end, including impeller, shafts, bearings, wear rings and running clearance.
• Drive types: permanent magnet coupling (MDP) and canned motor pump (CMP) arrangements (close‑coupled and separately coupled).
• Containment and gaps: terminology and dimensional considerations for air/liquid/magnetic gaps and total gap.
• Mechanical integrity: critical speed, balancing, vibration limits, external forces on flanges and nozzle design.
• Materials and repairs: guidance on material selection, composition and acceptable repair practices (informative annexes list commonly accepted materials).
• Testing and inspection: material tests, hydraulic performance and acceptance testing procedures.
• Installation & operation: circulation/flush requirements for lubrication and cooling, direction of rotation, monitoring, nameplates and baseplate considerations.
• Documentation & purchaser requirements: normative data sheet (Annex A), checklists (Annex G), enquiry/purchase documentation and post‑order documentation (Annexes C, D).

Practical Applications and Users

ISO 15783 is used by:

• Pump manufacturers and designers for developing compliant magnetic drive and canned motor pumps.
• Process and mechanical engineers specifying seal‑less pumps for hazardous, corrosive or environmentally sensitive fluids.
• Procurement and safety teams ensuring clear purchase data sheets and documented deviations.
• Maintenance and test engineers for acceptance testing, installation checks and operational safety procedures.

Typical applications include pumping hazardous chemicals, solvent circulation, corrosive liquids, and any situation where leak prevention, low noise or compact installation is required.

Related Standards

ISO 15783 references and aligns with other standards commonly used in pump specification and testing, including:

• ISO 5199 (centrifugal pumps - Class II)
• ISO 9906 (rotodynamic pump hydraulic performance tests)
• IEC 60034‑1 (rotating electrical machines)
• ISO 76 / ISO 281 (rolling bearings)
• ISO 3744 / ISO 3746 (acoustics)
• ISO 7005 (metallic flanges)

Keywords: ISO 15783, seal‑less rotodynamic pumps, magnetic drive pumps, canned motor pumps, pump specification, Class II, pump testing, pump materials, chemical industry.