According to DIN 28601;
DIN EN 545 series A
From DN 500 only with gland sockets deliverable (according DIN 28602)
Features
Special coatings:
Coating inside and outside Epoxy redbrown for sewage water
Coating inside and outside Epoxy yellow for gas
Other coatings on demand
*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.