DS/EN 1759-4:2003
Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, class designated - Part 4: Aluminium alloy flanges

Standard No.

DS/EN 1759-4:2003

Release Date

2003

Published By

Danish Standards Foundation

Latest

DS/EN 1759-4:2003

Scope

This standard specifies requirements for Class designated circular flanges for pipes, valves, fittings and accessories made from aluminium alloy in the range of DN 15 to DN 600 (NPS 1/2 to NPS 24) and class 150 to Class 300. This standard specifies the types of flanges and their facings, dimensions and tolerances, bolt sizes, surface finish of faces, marking and materials together with associated P/T ratings and quality assurance. The flanges are intended to be used for pipework as well as for pressure vessels.

DS/EN 1759-4:2003 history

• 2003 DS/EN 1759-4:2003 Flanges and their joints - Circular flanges for pipes, valves, fittings and accessories, class designated - Part 4: Aluminium alloy flanges