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BSI BS EN ISO 21787:2006+A1:2019

Industrial valves. Globe valves of thermoplastics materials
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BSI BS EN ISO 21787:2006+A1:2019

Industrial valves. Globe valves of thermoplastics materials

PUBLISH DATE 2019
PAGES 22
BSI BS EN ISO 21787:2006+A1:2019

This International Standard specifies requirements for the design, functional characteristics and manufacture of globe valves made of thermoplastics materials intended for isolating and control service, their connection to the pipe system, the body materials and their pressure/temperature rating betweenĀ āˆ’Ā 40 °C andĀ +Ā 120 °C, for a lifetime of 25Ā years, and also specifies their tests.

This International Standard is applicable to hand- or power-operated valves to be installed in industrial pipe systems, irrespective of the field of application and the fluids to be conveyed.

NOTEĀ 1 Industrial pipe systems also include systems for water supply for general purposes, drainage and sewerage.

NOTEĀ 2 Special requirements can apply to pipe systems for water for human consumption.

A1_startThis document is concerned with the following ranges of DN:

DNĀ 10, DNĀ 15, DNĀ 20, DNĀ 25, DNĀ 32, DNĀ 40, DNĀ 50, DNĀ 65, DNĀ 80, DNĀ 100, DNĀ 125, DNĀ 150, DNĀ 200, DNĀ 250, DNĀ 300 and DNĀ 350.

and the range of PN and Class

PNĀ 6, PNĀ 10, PNĀ 16, and ClassĀ 150.

NOTEĀ 3 Different DN and/or PN can be declared by the manufacturer.A1_end

SDO BSI: British Standards Institution
Document Number ISO 21787
Publication Date Sept. 2, 2019
Language en - English
Page Count 22
Revision Level 1
Supercedes
Committee PSE/18/2
Publish Date Document Id Type View
March 31, 2006 BS EN ISO 21787:2006 Revision
Sept. 2, 2019 BS EN ISO 21787:2006+A1:2019 Consolidated