Product Name: Restrained Coupling for PE Pipe Model NO.: DN40-DN400 Standard: Standard Material: Iron Flexible or Rigid: Flexible Structure: Universal Connection: Push on Trademark: AQUA Transport Package: Plywood Box Specification: DN40-DN1000 Origin: China Product Description RESTRAINED COUPLING FOR PE PIPEAPPLICATIonRestrained coupling, is a tensile resistant flange adaptor for PE pipes, it contains an end resistant mechanism, that grips and seals onto PVC & PE Pipes to prevent the pipe pulling off from the pipe system. It's suitable for use with water, drainage, sewage ...pipe systems.PRESSUREPN10, PN16, PN25. Flange according to ISO2531/ EN545,/EN1092MATERIALBody Ductile Iron GGG50/40 Gland Ductile Iron GGG50/40Gasket EPDM according to EN681-1Bolt &Nut Stainless steel A2-70Coating Fusion boned epoxy more than 250 micro