Flanges and their joints. Gaskets for class-designated flanges - Covered metal jacketed gaskets for use with steel flanges Ingestion-build-126766 This document is applicable to

This document is applicable to materials with a grain size less than 100 µm

BS EN 374-1

you can use BS EN 3561 for checking the surface roughness

Manufacturers should choose suitable tools from Table 1 for normal maintenance and routine adjustment work

under the atmospheric conditions

Flanges and their joints. Gaskets for class-designated flanges - Covered metal jacketed gaskets for use with steel flanges Ingestion-build-126766 This document is applicable to1 Scope This European Standard specifies the construction, dimensions and marking of covered metal jacketed gaskets for use with flanges complying with prEN 17591 for Class 150, Class 300, Class 600, Class 900. Class 1 500 for sizes up to and including NPS 24, and for Class designation 2 500 up to and including NPS 12. This European Standard does not extend to covered metal jacketed based heat exchanger gaskets with pass bars or large vessel gaskets