Valve description: Diaphragm Type Multifunctional Water Pump Control Valve, FLANGED Design: CJ/T 167. Body: ASTM A351 CF8 Nominal size: DN200. Nominal class: PN16. End Connection: RF flange. Face to face: GB/T 12221 Test and inspection: GB/T 13927. Product Range: Body material: CF8, WCB. Normal diameter: DN50 - DN1000 End connection: Flanged. Pressure range: PN10-PN25 Working temperature: ≤80℃.