... of specifications 3) Model number: all kinds PVC fittings 1. Material: GGG50 2. Surface: Blue epoxy coated ... 3. Gasket: EPDM 4. Specification: DN40-DN315 5. Fittings: All socket tee, hydrant tee, flange socket, flange ... plastic liningWe manufacture various of ductile iron pipe fittings for DI pipe,such as bends,elbows,tees,reducers,spigots. ... looking forward to serve you Ductile iron Pipe fittings