... 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, ... of the mainpipe line,it divided into reducing tee and equal tee.equal tee: the same pipe diameter between main pipe ... type: can be divided into butt weld tee and socket weld tee,thread tee.2.Acoording to material :can be divided ...