ISO 9635-2:2014 PDF

Scope: This part of ISO 9635 specifies construction and performance requirements and test methods for isolating valves, intended for operation in irrigation systems with water at temperatures not exceeding 60 °C, which can contain fertilizers and other chemicals of the types and concentrations used in agriculture. It is applicable to isolating irrigation valves of DN 8 in diameter or greater, designed to operate in the fully open and fully closed positions, but which can also operate for extended time periods in any intermediate position.

ISO 9635-2:2014 Referenced Document

EN 736-1:1995 Valves - Terminology - Part 1: Definition of types of valves
EN 736-3:2008 Valves - Terminology - Part 3: Definition of terms
EN 805:2000 Water supply - Requirements for systems and components outside buildings
ISO 9635-1:2014 Agricultural irrigation equipment - Irrigation valves - Part 1: General requirements
ISO 9644:2008 Agricultural irrigation equipment - Pressure losses in irrigation valves - Test method

2014 ISO 9635-2:2014 Agricultural irrigation equipment - Irrigation valves - Part 2: Isolating valves
2006 ISO 9635-2:2006 Agricultural irrigation equipment - Irrigation valves - Part 2: Isolating valves