3-1/2" Coupling N80 Non-Upset(NU) API 5B
API 5B Coupling J55 K55 N80 P110
1.Size:1.9" to 20"
2.Grade:J55,K55,N80-1,N80Q,L80-1,L80-9Cr, L80-13Cr,C90,C95,T95,P110,Q125
3.Standard: API Spec 5CT and Agree
API5CT coupling
1.O.D: 2-3/8"-20"
2.Grade:J55 K55 N80 P110 ect
3.Thread :NU EU STC LTC BTC
4.Standard: API 5CT
Contact:Bonnie Xu
Email:BonneXu@dlpoctg.com
Mob/Wechat:86+13602055205
SKYPE:BonnieXu22
Linkedin:BonnieXu
