Historical
ISO 10522:1993
Agricultural irrigation equipment - Direct-acting pressure-regulating valves
Specifies construction and performance requirements and test methods for pressure regulators intended for operation in irrigation systems, with water at temperatures not exceeding 50 °C, which may contain fertilizers and chemicals of types and in concentrations commonly used. Applies to pressure regulators in nominal sizes up to and including 80 mm (3 in).
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International Organization for Standardization [iso]
International Organization for Standardization [iso]