Description: Product Name: Italian Wafer Type Thin Ball Valve Wafer Ball Valve with Pneumatic Actuator Connect form:wafer Size: 1/2" - 4". Suitable medium: water, oil, steam, Suitable temperature: -40 - +150°C. Working pressure: 1.6 -2.4 - 6.4. On-off Number: 300 - 400. Main material: 304 and 316. Design and manufacture adoption: ISO, API, GB, BS, we are strict with the security and quality ,it was accepted by clients and sells to internal, external market.