GB/T 21031-2007Acceptance code of practice for water-saving irrigation equipment on the site (English PDF)

1 Scope

This standard specifies the basic requirements of water-saving irrigation equipment on-site inspection of pipe fittings and valves, irrigation equipment, micro-irrigation equipment and automatic control

System equipment on-site inspection methods.

This standard applies to pipe irrigation, sprinkler irrigation and micro-irrigation equipment on-site inspection; does not apply to water pump and cement products or equipment

Site facilities acceptance.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent

Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research

Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard.

GB/T 6893 aluminum and aluminum alloy drawn (rolled) Seamless

GB/T 10002.1-2006 water with a hard polyvinyl chloride (PVC-U) pipes (ISO 4422-1,2.1996, NEQ)

GB/T 10002.2-2003 water with a hard polyvinyl chloride (PVC-U) pipe fittings (ISO 4422-3.1996, MOD)

GB/T 13663-2000 water supply polyethylene (PE) pipe (neq ISO 4427.1996)

GB/T 13663.2-2005 water supply polyethylene (PE) piping systems - Part 2. Fittings

GB/T 13927-1992 Universal valve pressure test (neq ISO 5208. 1982)

JB/T 8512 plastic hose with water

QB/T 1929 underground water polypropylene (PP) pipes

SL56 rural water conservancy technical terms

3 Terms and Definitions

SL56 established and the following terms and definitions apply to this standard.

4 basic provisions