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STN is a protected designation of Slovak national technical standards.
Power pumps - testing. Class C
Standard published on 1.7.1977
Selected format:Power pumps - testing. Class C
Change published on 1.2.2002
Selected format:Rotodynamic pumps.Hydraulic performance acceptance tests.Grades 1, 2 and 3 (ISO 9906:2012)
Standard published on 1.10.2012
Selected format:Rotodynamic pumps. Hydraulic performance acceptance tests. Grades 1 and 2 (ISO 9906:1999)
WITHDRAWN published on 1.3.2002
Selected format:Pumps - Methods of qualification and verification of the Energy Efficiency Index for rotodynamic pump units - Part 1: General requirements and procedures for testing and calculation of Energy Efficiency Index (EEI)
Standard published on 1.11.2019
Selected format:Pumps - Methods of qualification and verification of the Energy Efficiency Index for rotodynamic pump units - Part 1: General requirements and procedures for testing and calculation of Energy Efficiency Index (EEI)
Correction published on 1.1.2022
Selected format:Pumps - Methods of qualification and verification of the Energy Efficiency Index for rotodynamic pump units - Part 2: Testing and calculation of Energy Efficiency Index (EEI) of single pump units
Standard published on 1.11.2019
Selected format:Pumps - Methods of qualification and verification of the Energy Efficiency Index for rotodynamic pump units - Part 2: Testing and calculation of Energy Efficiency Index (EEI) of single pump units
Correction published on 1.10.2020
Selected format:Pumps - Methods of qualification and verification of the Energy Efficiency Index for rotodynamic pump units - Part 2: Testing and calculation of Energy Efficiency Index (EEI) of single pump units
Correction published on 1.1.2022
Selected format:Pumps - Methods of qualification of the Energy Efficiency Index for rotodynamic pump units - Part 4: Testing and calculation of energy efficiency index (EEI) of submersible multistage pump units
Standard published on 1.4.2024
Selected format:Latest update: 2026-08-13 (Number of items: 2 292 670)
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