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  • BSI
    BS ISO 13693-2:2015 Irrigation equipment. Safety devices for chemigation - Chemigation valve assemblies from DN 75 (3”) to DN 350 (14”)
    Edition: 2015
    $313.97
    / user per year

Description of BS ISO 13693-2:2015 2015

This part of ISO 13693 specifies the construction and performance requirement and test methods for metal-bodied chemigation valves with water at temperatures not exceeding 50 °C, which might contain fertilizers and chemicals of the types and concentration used in agriculture.

The valve is designed to prohibit backflow caused by either back pressure or back siphonage. It is not designed for use in potable water systems. It is not to be confused with other forms of backflow prevention devices including pressure vacuum breakers, double check valves, reduced pressure zone valves, or goose neck loops. This part of ISO 13693 specifies the minimum design, construction, and performance testing requirements for the chemigation valve assembly. The assembly consists of the following components:

  • a valve body into which a spring-loaded check valve is mounted with a resilient disk cover on the sealing surface;

  • a combination air release/vacuum relief valve located upstream of the check valve;

  • a low pressure drain valve located upstream of the check valve;

  • an inspection port located so as to permit visual and manual inspection of the valve working components.



Standard NumberBS ISO 13693-2:2015
TitleIrrigation equipment. Safety devices for chemigation - Chemigation valve assemblies from DN 75 (3”) to DN 350 (14”)
StatusConfirmed
Publication Date2015-02-28
Identical National Standard OfISO 13693-2:2015
DescriptorsWatering equipment, Performance, Corrosion resistance, Strength of materials, Pressure, Water valves, Temperature, Flow rates, Irrigation equipment, Performance testing, Conformity, Marking, Valves, Mechanical testing, Agricultural equipment
ICS65.060.35 Irrigation and drainage equipment
CommitteeW/-
ISBN978 0 580 80609 4
PublisherBSI
Pages20

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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