The tubing is divided into flat tubing(NU), thickened tubing (EU) and integral joint tubing (IJ). Flat tubingmeans that the end of the tubing is direc

Tubing coupling is a kind of drilling tool in oil field, which is mainly used for tubingconnection. The tubing coupling mainly solves the problem of f

PRODUCT SPECIFICATION1. Specification Range: Outer Diameter:114.3MM-508MM(41/2"-20") Wall Thickness:5.21MM-16.13MM(9.5PPF-133PPF)2.Material: H40, J55,