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Special length tubing coupling N80

Specification: 2-3 / 8 "2-7 / 8" 3-1 / 2 "and other customized by customers
Steel grade: n80-1 / n80-q
Buckle type: eue thickened or nue flat type tubing coupling, determined by the customer
Main parameters: the product complies with API 5CT / 5B standard.