استاندارد بین المللی BS EN 744

plastics piping and ducting systems ...

استاندارد بین المللی BS EN ISO 9311-2

 ADHESIVE thermoplastic pipe systems ...

استاندارد بین المللی BS EN 14758-1

Plastics piping systems for non-pressure underground drainage and sewerage. Polypropylene with mineral modifiers (PP-MD). Specifications for pipes, fittings and the system ...

استاندارد بین المللی BS EN 713

Plastics piping systems. Mechanical joints between fittings and polyolefin pressure pipes. Test method for leaktightness under internal pressure of assemblies subjected to bending ...

BS EN 558: 2017

38 صفحه فرمت: pdf BS EN 558 Industrial valves — Face-to-face and centre-to-face dimensions of metal valves for use in flanged pipe systems — PN and Class designated valves ویرایش 2017 ...