... BS/DIN/ANSI/GB/JIS approval Specification of DI grooved fitting1) Standard grooved specifications: according to VICTAULIC2) Material: Ductile Iron conforming to ... box8) Ductile Iron Grooved Fittings With ASTM A536 standard,Including Coupling, Adaptor, Bend, Reducer,Coupling, Elbow, Tee, Cross, Cap, Mechanical Tee, Mechanical Cross cap,eccentric ...