GB/T 18691.3-2011 Replaced National standards

GB/T 18691.3-2011 Agricultural irrigation equipment—Irrigation valves—Part 3:Check valves

GB/T 18691.3-2011 Agricultural irrigation equipment—Irrigation valves—Part 3:Check valves

Publish Date: 2011-05-12 Implement Date: 2011-10-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 18691.3-2011

Standard Type: National standards

Standard Status: Replaced

is_force_gb: no

CCS Name: Agricultural machinery and equipment

ICS Name: Irrigation and drainage equipment

Publish Date: 2011-05-12

Implement Date: 2011-10-01

Pages: 7 pages

Scope

This part of GB/T 18691 specifies the design requirements, performance requirements, consistency assessment, marking, and packaging of check valves.
This part is applicable 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 is applicable to hydraulically driven irrigation check valves with a nominal size of not less than DN 15. The design working state of the check valve is fully open and fully closed, but it can also operate at any intermediate state for a long time.

Development Information

Word Count: 11 Thousand words Pages: 7 pages

Same series standard

GB/T 18691.1-2011 Agricultural irrigation equipment—Irrigation valves—Part 1:General requirements GB/T 18691.2-2011 Agricultural irrigation equipment—Irrigation valves—Part 2:Isolating valves GB/T 18691.4-2011 Agricultural irrigation equipment—Irrigation valves—Part 4:Air valves GB/T 18691.5-2011 Agricultural irrigation equipment—Irrigation valves—Part 5:Control valves

Replace the following standards

GB/T 18691-2002 Agricultural irrigation equipment—Check valves

Superseded by the following standards

GB/T 18691.3-2021 Agricultural irrigation equipment—Irrigation valves—Part 3:Check valves

Referenced Standards

GB/T 18691.1-2011 Agricultural irrigation equipment—Irrigation valves—Part 1:General requirements GB/T 18688-2002 Agricultural irrigation equipment—Pressure losses in irrigation valves—Test method

Adopt standards

ISO 9635-3:2006

Related Standards

GB/T 17187-1997 Replaced

GB/T 17187-1997 Agricultural irrigation equipment—Emitter—Specification and test methods

Publish Date: 1997-12-26

GB/T 17188-1997 Replaced

GB/T 17188-1997 Agricultural irrigation equipment—Emitting-pipe systems—Specification and test methods

Publish Date: 1997-12-26

GB/T 18025-2000 Active

GB/T 18025-2000 Agricultural irrigation—Wiring and equipment for electrically driven or controlled irrigation machines

Publish Date: 2000-03-16

GB/T 12785-2002 Replaced

GB/T 12785-2002 Test methods for submersible motor-pumps

Publish Date: 2002-03-10

GB/T 18687-2002 Replaced

GB/T 18687-2002 Agricultural irrigation equipment—Sprayers—General requirements and test method

Publish Date: 2002-03-10

GB/T 18688-2002 Replaced

GB/T 18688-2002 Agricultural irrigation equipment—Pressure losses in irrigation valves—Test method

Publish Date: 2002-03-10