ISO 7005-3:1988 Copper alloy and composite flanges

Abbreviation: ISO 7005-3:1988
Valid from: 18/02/1988

Information provider: Standards New Zealand,
Author: International Organization for Standardization
Information type: ISO Standard,
Format: PDF, HARD COPY,

Cited By: This resource is cited by 3 documents (show Citations)

Description

Specifies requirements for circular flanges of series 1 and 2. It also specifies the types of flanges and their facings,dimensions, tolerances, bolt sizes (including copper alloy), flange face surface finish, marking, testing, insperation and materials. An annex includes application and installation.

Scope

This part of ISO 7005 for a single system of flanges specifies requirements for circular copper alloy and composite flanges in the following nominal pressure ratings:

Series 1
Series 2
ISO PN10
ISO PN6
ISO PN16
ISO PN25
ISO PN20
ISO PN40
ISO PN50

Attention is drawn to the need to refer to the pressure/temperature (p/T) ratings in tables 10, 10a), 10b) and 10c)for the maximum permissible working pressures and temperatures, particularly for ISO PN20 and ISO PN50 flanges and for ISO PN6, ISO PN10, ISO PN16 and ISO PN25 flanges attached by soft solder or silver brazing.

This part of ISO 7005 specifies the types of flanges and their facings, dimensions, tolerances, bolt sizes (including copperalloy), flange face surface finish, marking, testing, inspection and materials.

Notes:

Dimensions of gaskets will be the subject of a future International Standard.
For guidance, information on the application and installation of flanges is given in the annex, which does not form an integral part of this part of ISO 7005

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