Compensator, Metal Bellows, Expansion Joint manufacturer / supplier in China, offering 1 Inch DN25 Pn16 BS4504 Stainless Steel 304 316 321 Threaded Flange, 12" DN300 Class300 Stainless Steel ANSI B16.5 Slip on Hubbed Flange, 46" DN1150 Class150 Stainless Steel Slip on Flange Carbon Steel ANSI B16.5 Hubbed Slip on Flange and so on.