1. Specifications:
(1)Outer diameter: 2-3/8" to 20"
(2)Grade: J55, K55, N80, L80, C90, T95, P110
(3)Type of thread: STC, LTC, BTC
(4)Standard: API 5CT, API 5B

 
2. Abstract:
The annual output reaches 300000 tons; the outside diameter is 219mm-3020mm, the thickness is 6mm-25.4mm, the steel grade is x42 to x70.

 
3. Features:
(1) Sturdy construction;
(2) Precision design;
(3) Accurate dimensions;
(4) Corrosion resistance;
(5) Easy installation and durability.

 
4. Application:
It is widely used in Petroleum Projects, Coal Gas Projects, 
Natural Gas, Piling, Water Supply and Thermal Power Generation.

4.Application:

API couplings are widely used in petroleum industry. These coupling are used in pipeline for managing flow of liquid material passing through. Some of their salient attributes include sturdy construction, precision design, accurate dimensions, corrosion resistance, easy installation and durability.