Ductile Iron Y-Strainer DIN3202 PN16 Materials: Ductile Iron,Carbon Steel,Vulcanized NBR,Stainless steel DN50-250 Y-Strainer ... valve, butterfly valve, check valve, fire valve, storm valve, air pipe head and each kind of valves and spare parts.3 ... certification, ABS and also acquire certifications of several classification societies. Ductile Iron Y-Strainer DIN3202 PN16