... . Pressure rate:1.6MPA &2.5MPA Ductile Iron Grooved Fittings with UL and FM certificates:Specification of DI grooved fitting1) Standard ... ) Gasket: EPDM6) Bolts and Nuts: ISO 898-1class 8.87) Paking:In carton with pallet and wooden box8) Ductile Iron Grooved Fittings ... With ASTM A536 standard,Including Coupling, Adaptor, Bend, Reducer,Coupling, Elbow, ...