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Standard

NS-EN ISO 15783:2026

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Abstract

1.1 This International Standard specifies the requirements for seal-less rotodynamic pumps that are driven withpermanent magnet coupling (magnet drive pumps) or with canned motor, and which are mainly used in chemicalprocesses, water treatment and petrochemical industries. Their use can be dictated by space, noise, environmentor safety regulations.Seal-less pumps are pumps where an inner rotor is completely contained in a pressure vessel holding the pumpedfluid. The pressure vessel or primary containment device is sealed by static seals such as gaskets or O-rings.1.2 Pumps will normally conform to recognized standard specifications (e.g. ISO 5199, explosion protection,electromagnetic compatibility), except where special requirements are specified herein.1.3 This International Standard includes design features concerned with installation, maintenance andoperational safety of the pumps, and defines those items to be agreed upon between the purchaser andmanufacturer/supplier.1.4 Where conformity to this International Standard has been requested and calls for a specific design feature,alternative designs may be offered providing that they satisfy the intent of this International Standard and they aredescribed in detail. Pumps which do not conform with all requirements of this International Standard may also beoffered providing that the deviations are fully identified and described.Whenever documents include contradictory requirements, they should be applied in the following sequence ofpriority:a) purchase order (or inquiry, if no order placed), see annexes D and E;b) data sheet (see annex A) or technical sheet or specification;c) this International Standard;d) other standards.

Document information

  • Standard from SN
  • Published:
  • Edition: 2026-05
  • Version: 1
  • Document type: NAT
  • ICS 23.080
  • National Committee CEN/TC 197

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