NEN ISO 11419 : 1997
Current
The latest, up-to-date edition.
AGRICULTURAL IRRIGATION EQUIPMENT - FLOAT TYPE AIR RELEASE VALVES
12-01-2013
Provides the structural and operational requirements and test methods for float-type air release valves, hereinafter referred to as air release valves. These valves are intended for operation in irrigation systems with water whose temperature does not exceed 60 degree C, and which may contain chemicals of the types and concentrations generally in use in irrigation.
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