Butterfly Valve,Butterfly Valve Supplier Size : NPS 2â?¼24, DN50~600, JIS 50~600A Rating : Class 150, PN6 PN10 PN16, JIS 5K 10K 16K Category : concentric-pivoted , eccentric-pivoted, double-eccentric Material : FC, FCD, WCB, CF8, CF8M Seat : NBR ,EPDM, PTFE, VITON Driving gear : lever-type, gear-type Related standard : API 609 , EN 593, JIS F7480 API 598 , EN 12266, JIS F7400
