Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, PN designated - Part 2: Cast iron flanges

The information about the standard:

Designation standards: ČSN EN 1092-2
Classification mark: 131170
Catalog number: 519132
Publication date standards: 1.6.2024
The number of pages: 64
Approximate weight : 192 g (0.42 lbs)
Country: Czech technical standard
Kategorie: Technische Normen ČSN

Annotation of standard text ČSN EN 1092-2 (131170):

This document specifies requirements for circular flanges made from ductile, grey and malleable cast iron for DN 10 to DN 4000 and PN 2,5 to PN 100.
NOTE - See 4.1 and 4.2 for information regarding allowed DN and PN.
This document specifies the types of flanges and their facings, dimension and tolerances, bolt sizes, surface finish of jointing faces, marking, testing, quality assurance and materials together with associated pressure/temperature (p/T) ratings