Design standard conform to: MSS SP-67, API609, EN593 Connection flange conform to: DIN PN10/16/25, ANSI B16.1, BS4504, ... ValveStandard:Design standard conform to: MSS SP-67, API609, EN593Connection flange conform to: DIN PN10/16/25, ANSI B16.1, BS4504 ... , ISO PN10/16, JIS B2212/2213, BS 10 Table D, BS 10 Table ETop flange conform to: ISO 5211Face to face conform to ...