... 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. ... to contact us. ZHEJINAG ZHONGCHENG VALVE Co.,Ltd (CE,ISO,API,CERTIFICATED MANUFACTURER tee for pipe fitting, pipe fittings. ... type: can be divided into butt weld tee and socket weld tee,thread tee.2.Acoording to material :can be ...