... :1/2"-48" Place of Origin:ZhangQiuRuiye China(mainland) materail: cs coating:rust proof oil, standard:ansi b 16.5pressure:class300size ... ,weight:0.63-540kgu,p:1.27-804.6dollars material:cs q235type:slip on flange coating:rust proof oil,yellow paint ... supply types flange and fitiings with varioul standards and materilas.type: welding neck ,slip on ,plate ,blind ,lap joint ,threaded,socket ...