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Norm
ISO 9952:1993
Issue date: 1993 03 18
Agricultural irrigation equipment— Check valves
Specifies the construction and performance requirements (classification, mechanism, installation, marking, valve body length, connections), and test methods (resistance t...
Withdrawn: 2006 11 23
Publisher:
International Organization for Standardization
Format:
Digital | 8 Pages
Language:
English
Currently valid:
ICS
Specifies the construction and performance requirements (classification, mechanism, installation, marking, valve body length, connections), and test methods (resistance to internal hydrostatic pressure, tightness, valve opening after tightness test, pressure loss, endurance, tightness after mechanical endurance test) for check valves of nominal sizes 15 mm (0,5 in) up to and including 300 mm (12 in) intended for operation with water at temperatures not exceeding 50 °C, which may contain fertilizers and chemicals of types and concentrations used in agriculture.
ISO 9635-3:2014
2014 11 14
Agricultural irrigation equipment — Irrigation valves — Part 3: Check valves
Norm
ISO 9635-3:2006
2006 11 23
Agricultural irrigation equipment — Irrigation valves — Part 3: Check valves
Norm
Norm
Issue date :
2006 11 23
Agricultural irrigation equipment — Irrigation valves — Part 3: Check valves
