GB/T 18691.1-2021
Agricultural irrigation equipment—Irrigation valves—Part 1：General requirements (English Version)

Standard No.

GB/T 18691.1-2021

Language

Chinese, Available in English version

Release Date

2021

Published By

国家市场监督管理总局、中国国家标准化管理委员会

Latest

GB/T 18691.1-2021

Replace

GB/T 18691.1-2011

Scope

This document specifies the design requirements, performance requirements, conformity assessment, marking and packaging of irrigation valves. The valve is suitable for irrigation systems where the water temperature does not exceed 60°C and the water may contain certain types and concentrations of fertilizers or chemicals commonly used in agriculture. This document applies to irrigation valves with a nominal size of not less than 8 mm, which are designed to work in fully open and fully closed states, but can also work in any intermediate state for a long time.

GB/T 18691.1-2021 Referenced Document

• GB/T 18691.2-2021 Agricultural irrigation equipment—Irrigation valves—Part 2: Isolating valves
• GB/T 18691.5-2021 Agricultural irrigation equipment—Irrigation valves—Part 5: Control valves
• ISO 4633 Rubber seals — Joint rings for water supply, drainage and sewerage pipelines — Specification for materials*， 2023-07-01 Update
• ISO 7005-1 Pipe flanges - Part 1: Steel flanges for industrial and general service piping systems
• ISO 7005-3 Metallic flanges; part 3: copper alloy and composite flanges

GB/T 18691.1-2021 history

• 2021 GB/T 18691.1-2021 Agricultural irrigation equipment—Irrigation valves—Part 1：General requirements
• 2011 GB/T 18691.1-2011 Agricultural irrigation equipment.Irrigation valves.Part 1:General requirements

GB/T 18691.1-2021 -All Parts