1. GERMAN STANDARDS
- DIN 8077: POLYPROPYLENE PIPES DIMENSIONS.
- DIN 8078: GENERAL QUALITY & TESTING OF PIPES.
- DIN 1988: TECHNICAL RULES FOR DRINKING WATER LINE INSTALLATIONS.
- DIN 2000: SERVICE LIFE OF PPR-C PIPES USED IN WATERE INSTALLATIONS.
2. EGYPTIAN STANDARDS
- ES 3703-1/2008 POLY PROPYLENE PIPES GENERAL REQUIREMENTS AND TESTS.
- ES 3703-2/2008 POLY PROPYLENE PIPES DIMENSIONS.
- ES 190/2007.
- ES 190-1/2007.
3. INTERNATIONAL STANDARDS
- DIN EN ISO 15874 PLASTIC PIPING SYSTEM FOR HOT AND COLD WATER INSTALLATIONS,PARTS 1-7.
- DIN EN ISO 21003: MULTILAYER PIPING SYSTEM, PARTS 1-5.