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Extension Joint:1) Extension joint is used for connection in pipelines2) Sizes: DN50 - DN1200
3) End flange:ANSI125/150# DIN PN10/16 BS4504 PN10/16 JIS 5K/10K/15K
4) Test pressure:PN10 PN16 PN25
5) Type: Single ball and double ball
Flexible Rubber Bellows