Flange Ball Valve,Website:http://www.nsw-valve.com,Trunnion Ball Valve, Cast Steel Ball Valve, WCB Ball Valveï¼?ASTM A216 Ball Valveï¼?Industry Ball Valveï¼?Crude oil Ball Valve, Carbon Steel Valve Application Standards Design and Manufactureï¼?API 6D, API 608, ISO 17292 Face to Face: ASME B16.10, API 6D End Connection: ASME B16.5, ASME B 16.47, ASME B16.25 Test and Inspection: API 598, API6D Fire Safety: API 6FA, API 607 NACE MR-0175, NACE MR-0103, ISO 15848 End type: Flange Nominal diameter: DN50-DN1200 (From 2 Inch to 48 Inch) Material: A105, WCB, WCC, Pressure: CLASS 150LB, CLASS 300LB, CLASS 600LB, CLASS 900LB, CLASS 1500LB, CLASS 2500LB (PN20, PN50, PN100, PN150, PN250, PN420)