... ,S.S,F.S Certificates:ISO,CE,TS,API DIDTEK Stainless Steel Valve Size:2"-48" or DN50-DN1000 Pressure: Class150-2500LB ... , API598 (JISB2003), API 6D, BS 6755 .Structure Type: Short Pattern,Regular Pattern,Venturi Pattern,Full Bore PatternOperated way: Handwheel, Gear, Pneumatic, Electric Actuator ... with the best quality productsand the most sincere service. DIDTEK Stainless Steel Valve