... structure, convenient operate Tee: Tee TypeEqual tee, reducing tee,lateral tee, BW/butt weld tee, TH/threaded tee, SW/socket weld tee, seamless teeStandardASME B16.9, ASME ... butt weld tee and socket weld tee,thread tee.2.Acoording to material :can be divided into SS Tee,CS Tee,3.According ... to type of Branch pipe:can be divided into lateral tee and equal ...