The type of thread and style of collar varies with the specifications and manufacturer of the tubing.
螺纹的种类和接箍的型式随油管的规格和油管的制造商而变。
2
Collar locks are compatible only with conventional thread connections where a space exists between the two tubing joints.
接箍锁块仅与常规螺纹连接部位相配合，这些连接部位在两节油管之间存在空间。
3
Lab experiments show that such tubingcollar is feasible to some degree in preventing corrosion of the screw thread of water cycling pipe, thus extending the service life of water cycling pipe.