... Model Number: MTE01/MTE03Brand Name: ROUCHTECConnection: FemaleShape: ReducingHead Code: SquareCertification: UL/FM/CEMaterial: Ductile Iron conforming to ASTM ... water supplying ,gas supplying, heat supplying,etc2)Industrial pipeline system on shipping ,mine, oil field,textile,powder ... plant,etc.3)Pipeline system on subway station ,railway station ,airport, seaport,bridge ...