... novel 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, ... );1/8''-4''(Threaded and socket-welding);16''~72''(Welded)Wall thicknessSCH10,SCH20,SCH30,STD,SCH40,SCH60,XS,SCH100, ... type: can be divided into butt weld tee and socket weld tee,thread tee.2.Acoording to material :can be divided ...