slip on flange ansi #150 rf size:1/2"-48" Place ... .63-540kgu,p:1.27-804.6dollars material:cs q235type:slip on flange coating:rust proof oil,yellow paint,black package ... and fitiings with varioul standards and materilas.type: welding neck ,slip on ,plate ,blind ,lap joint ,threaded,socket welding flange .standard ...