Iron body and Iron gate Size:4-10" Connector:flange Color:black and blue ... SP-67FLANGE CONNECTION: GB/T17241.6-208, JIS B2212-B2214-1999, JIS B2220-2004, JIS B2210-1984, ANSI B16.5-2009, ANSI B16 ... -2 OR BS EN1092-2002(PN6, PN10, PN16, Class150, 5K, 10K, 16K)Face-to-face dimension: GB/T12221-2005, ISO 5752 ... inquiry.We will reply you by as soon as possible. Cast iron butterfly valve