ISO 13709-2009 PDF

Full title and description

ISO 13709:2009 — Centrifugal pumps for petroleum, petrochemical and natural gas industries. This International Standard specifies design, construction and testing requirements for overhung, between‑bearings and vertically‑suspended centrifugal pumps used in petroleum, petrochemical and natural gas process services (also published/used in industry as API 610 / EN ISO 13709 equivalents).

Abstract

ISO 13709:2009 establishes requirements for construction, materials, tolerances, mechanical seals and seal support systems, allowable vibrations and clearances, testing (including hydraulic performance acceptance tests), documentation and marking for heavy‑duty process centrifugal pumps intended for hydrocarbon process services. It covers pumps and also pumps operated in reverse as hydraulic power‑recovery turbines.

General information

• Status: Published / confirmed international standard.
• Publication date: 8 December 2009 (ISO edition 2, 2009).
• Publisher: International Organization for Standardization (ISO), prepared by ISO/TC 115/SC 3.
• ICS / categories: 71.120.99; 75.180.20.
• Edition / version: Edition 2 (2009).
• Number of pages: 184 (typical printed edition as published by ISO).

Key bibliographic details above are taken from the ISO record and standard distributors; the document is widely mirrored/adopted as EN ISO/API equivalents.

Scope

ISO 13709:2009 applies to single‑ and multistage centrifugal pumps for petroleum, petrochemical and natural gas industries — including overhung, between‑bearings and vertically suspended designs — and sets minimum requirements for design, materials, clearances, shaft and bearing arrangements, sealing systems, testing and documentation for process-service duty. It is intended to cover heavy‑duty process pumps used in hydrocarbon services and includes provisions for pumps operated as power‑recovery turbines; it is not intended to replace standards for sealless or specialty pumps outside the scope.

Key topics and requirements

• Pump types covered: overhung, between‑bearings and vertically suspended centrifugal pumps (multiple type designations per clause tables).
• Design and materials: casing, impeller, shaft and bearing materials and manufacturing tolerances suitable for hydrocarbon services.
• Sealing: mechanical seal classification, seal chamber requirements and recommended seal support systems.
• Rotordynamics and vibration limits: allowable vibration, balancing, runout and bearing arrangement guidance.
• Performance and testing: hydraulic performance acceptance tests, NPSH considerations, efficiency and tolerance bands.
• Documentation and marking: data sheets, performance curves, material traceability and test records.
• Interchangeability and types: designation of pump types and minimum dimensional/data requirements to enable procurement and specification clarity.

These topics form the normative requirements and acceptance criteria used by OEMs, purchasers and inspectors for process centrifugal pumps.

Typical use and users

Typical users include rotating‑equipment and process engineers, pump designers and manufacturers, procurement/specification teams, EPC contractors, inspection and testing houses, maintenance teams and asset owners in the petroleum, petrochemical, LNG and natural‑gas processing sectors. The standard is used to specify minimum requirements in new equipment purchase orders, to guide factory acceptance and site testing, and to establish expected service limits and documentation.

Related standards

Commonly referenced and related documents include API 610 (equivalent in many markets), EN ISO 13709 (European adoption), ISO 5199 (general-purpose rotodynamic/process pump specification), ISO 2858 (end‑suction and multistage pump dimensions and duty points), and API/API‑682 guidance for seal systems. Practitioners typically reference ISO 13709 alongside these standards when specifying heavy‑duty process pumps.

Keywords

centrifugal pump; process pump; API 610; ISO 13709; petroleum pumps; petrochemical; natural gas; mechanical seal; hydraulic performance; pump testing; overhung; between‑bearings; vertically suspended.

FAQ

Q: What is this standard?

A: ISO 13709:2009 is an International Standard that specifies minimum requirements for centrifugal pumps used in petroleum, petrochemical and natural gas process services (heavy‑duty process pumps).

Q: What does it cover?

A: It covers the design, materials, tolerances, sealing arrangements and testing (including hydraulic performance acceptance tests) for overhung, between‑bearings and vertically suspended centrifugal pumps and includes provisions for pumps run in reverse as hydraulic power‑recovery turbines.

Q: Who typically uses it?

A: Pump manufacturers, rotating equipment and process engineers, procurement/specification teams, EPC contractors, test and inspection authorities and maintenance/asset teams in the hydrocarbon and process industries.

Q: Is it current or superseded?

A: ISO 13709:2009 is the 2nd edition published in December 2009 and, per ISO lifecycle records, it was confirmed/published and reviewed in subsequent systematic reviews (confirmed in June 2021). As of 27 February 2026 there is no later ISO edition number replacing ISO 13709:2009 in the ISO bibliographic records checked. If you need the absolute current status for procurement or compliance today, it is recommended to verify the ISO catalogue or a national standards body listing immediately before use.

Q: Is it part of a series?

A: It is part of the family of international pump and rotodynamic standards and is commonly paired with API 610 (industrial adoption/equivalent), ISO 5199, ISO 2858 and seal standards (API‑682) when specifying process pumps; many national bodies publish EN/ISO or identical/adopted versions.

Q: What are the key keywords?

A: Centrifugal pump, process pump, API 610, mechanical seal, hydraulic performance, overhung pump, between‑bearings pump, vertically suspended, petrochemical, natural gas.