Oval blind flanges - Np 16

WITHDRAWN published on 23.6.1965

WITHDRAWN published on 23.3.1962

WITHDRAWN published on 23.3.1962

WITHDRAWN published on 5.12.1968

WITHDRAWN published on 5.12.1968

Screws and nuts for flanged pipeline joints. Application

Standard published on 7.12.1987

Flanges and their joints - Bolting - Part 1: Selection of bolting

Standard published on 1.5.2001

Flanges and their joints - Bolting - Part 2: Classification of bolt materials for steel flanges, PN designated

Standard published on 1.8.2002

Flanges and their joints - Bolting - Part 3: Classification of bolt materials for steel flanges, class designated

Standard published on 1.4.2006

Flanges and their joints - Bolting - Part 4: Selection of bolting for equipment subject to the Pressure Equipment Directive 2014/68/EU

Standard published on 1.5.2022