GB/T 21402-2025 Agricultural irrigation equipment—Irrigation control heads

Scope

This document specifies the requirements for components and installation methods of irrigation heads in pressure irrigation systems (hereinafter referred to as irrigation heads), with a nominal size not exceeding 200 mm (the nominal size of the irrigation head or its components).
This document only applies to above-ground components of irrigation heads used for sprinkler irrigation and micro-irrigation (micro-sprinkler irrigation, drip irrigation, etc.). This document applies to basic-type irrigation heads. Other irrigation control and command components (electrical, electronic, and hydraulic components) may be installed on basic-type irrigation heads, but this document does not apply to these additional components.
This document does not apply to systems and/or components for preventing irrigation heads from freezing, such as dry-cylinder water taps or other types of water taps.
This document does not specify the structural and operational requirements of the individual components that make up irrigation heads. These requirements are stipulated in their respective relevant standards.

Development Information

Replace the following standards

Referenced Standards

Adopt standards

Related Standards