GB/T 18691.2-2011
Agricultural irrigation equipment.Irrigation valves.Part 2:Isolating valves (English Version)

Standard No.

GB/T 18691.2-2011

Language

Chinese, Available in English version

Release Date

2011

Published By

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China

Status

Be replaced 2022-07

Replace By

GB/T 18691.2-2021

Latest

GB/T 18691.2-2021

Scope

This part of GB/T 18691 specifies the design requirements, performance requirements, conformity assessment, marking and packaging of isolation valves. This section applies to 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 part applies to hydraulically driven irrigation isolation valves with a nominal size not less than DN8. The isolation valve is designed to work in fully open and fully closed states, but it can also work in any intermediate state for a long time.

GB/T 18691.2-2011 Referenced Document

• GB/T 18688 Pressure loss test method for irrigation valves of agricultural irrigation equipment*， 2023-11-27 Update
• GB/T 18691.1-2011 Agricultural irrigation equipment.Irrigation valves.Part 1:General requirements

GB/T 18691.2-2011 history

• 2021 GB/T 18691.2-2021 Agricultural irrigation equipment—Irrigation valves—Part 2: Isolating valves
• 2011 GB/T 18691.2-2011 Agricultural irrigation equipment.Irrigation valves.Part 2:Isolating valves

GB/T 18691.2-2011 -All Parts