All products will be made according to API and related international standard as per customers' requirements.
Std Ref.:API 5CT and 5B ISO9001,2008
1.Grade:J55, K55, N80-1, N80-Q, L80, C90, P110
2.We also supply permium thread products by customer's request
3.Size: tubing coupling from 1.9" to 4-1/2",Casing coupling from 4-1/2" to 20"
4.Type: NU, EU(tubing coupling), STC,LC,BTC(casing coupling).
5.Surface treatment: Whole phosphating, or inside phosphating and outside coating
(1)Standard: API 5CT (2)Size: 2 3/8\"-13 3/8\" (3)Grade: J55,K55,L80,N80.P110 (4Type:STC,LTC,BTC,EUE,NUE surface treatment:coating. Protection of Thread:Thread protector Packing: in bundle,by wooden pallet or by steel strip or by the requirements of customer. Pup Joints are ...
Tubing coupling is the joining of two short length pipes by the means of female and male threads. All types of tubing couplings have internal threads which are known as female thread forms. These thread forms are usually machined so that they can be coupled with the external ...