... of flange size:DN15-DN2000 material:cs&ss pressure:5k,10k,16k,20k,30k,150# to 2500#,PN6-PN40 professional manufacuture of ... ,20k,30k,150# to 2500#,PN6-PN40professional manufacuture of flange1.Size:DN15 to DN2000,1/2" to 78"2. ... on the long-time experiences,we have a team of skilled worker and international expert sales. We can offer ... and have a business disussion. professional manufacture of flange