Specifications: 1)Production enforce standard Desing And Manutacture: API 609 ASME B16. 34 Face to face/End to end: NPS≤24"as per API 609 NPS>24" as per BS 5155 Flange dimensions: ANSI B16. 5 ASME B16. 47 Pressure temperature lating: ANSI B16. 34 Inspection and test: API 598 API 6D 2)Major parameter Size: 2"-48" Pound class: 150Lb--300Lb Body Cover Disc: WCB WC6 WC9 LCB CF8 CF3 CF3M CF8M Type of operation: Manual, conical gear actuator, electric actuator pneumatic actuator Type of constrcuction: Three-eccentric center Structure Type: Wafer Type