The design of the gasketed joint is critical. Its compression is better controlled in a fully enclosed cavity. Also, the possibility of unwinding of the SS spiral metal is eliminated.

• 衬垫的连接结构非常重要。在全封闭的空腔内能够更好的控制压缩性。此外,也排除了不锈钢缠绕金属退绕的可能性。