GB/T 18690.4-2023
Active
National standards
GB/T 18690.4-2023 Agricultural irrigation equipment—Filters for microirrigation—Part 4:Granulated media filters
GB/T 18690.4-2023 Agricultural irrigation equipment—Filters for microirrigation—Part 4:Granulated media filters
Basic Information
Standard Code:
GB/T 18690.4-2023
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Agricultural machinery and equipment
ICS Name:
Irrigation and drainage equipment
Publish Date:
2023-11-27
Implement Date:
2024-06-01
Pages:
17 pages
Scope
This document specifies the structural requirements and test methods for pressurized granular media filters used in agricultural irrigation systems (hereinafter referred to as media filters).
This document is applicable to manual cleaning media filters and automatic self-cleaning media filters. It is applicable to single filters as well as filter combinations (combinations of two or more filters working in parallel).
This document involves the operation and performance of media filters and all related valves, backwashing mechanisms, hidden pipes, manifolds, and other related accessories necessary for filter operation.
Development Information
Referenced Standards
ISO 9644
ISO 9912-1
ISO 9912-2:2013
ISO 9912-3
Adopt standards
ISO 9912-4:2018
Related Standards
GB/T 17187-1997
Replaced
GB/T 17188-1997
Replaced
GB/T 17188-1997 Agricultural irrigation equipment—Emitting-pipe systems—Specification and test methods
GB/T 18025-2000
Active
GB/T 18025-2000 Agricultural irrigation—Wiring and equipment for electrically driven or controlled irrigation machines
GB/T 12785-2002
Replaced
GB/T 12785-2002 Test methods for submersible motor-pumps
GB/T 18687-2002
Replaced
GB/T 18687-2002 Agricultural irrigation equipment—Sprayers—General requirements and test method
GB/T 18688-2002
Replaced