Product Name: Ductile Iron QT450 Butterfly Control Valve Structure: Centre Sealing Body Material: Ductile Iron QT450 Seat Material: EPDM Rubber Size: DN50, 2 Inch Pressure: PN10, PN16, Class 150 LB End Connection: Flanged Actuation: Pneumatic Actuator Product Range Standards: ANSI, GB, JIS Body Material: Ductile Iron, Carbon Steel, Stainless Steel Seat Material: EPDM, NBR, PTFE Size Range: 2-56 Inch, DN50-DN1400 Pressure Rating: PN10, PN16, Class 150 LB Medium: Water, Oil, Gas Working Temperature: -40°C to +120°C Actuator Options: Single Acting or Double Acting Pneumatic Actuator Pneumatic Flange Butterfly Control Valve Valve Material: Constructed with stainless steel for durability and corrosion resistance, available in grades SS304, SS316, SS304L, and SS316L, ensuring suitability for various applications. Actuation: It Features pneumatic operation controlled by air pressure through an actuator, with options for both double-acting and single-acting mechanisms for versatile control. Configuration: Designed as a 2-way valve with clear inlet and outlet ports for straightforward fluid flow management. Flange Design: Equipped with flange connections for easy installation and secure attachment to the pipeline. Mechanism: It incorporates a butterfly mechanism with a rotating disc to regulate fluid flow, stopping flow when aligned with the pipeline and allowing flow when perpendicular. China Control Valve Zhejiang Co., Ltd. (https://www.cncontrol.cn/) has over thirty years of expertise in crafting high-quality control valves. Our commitment to fulfilling diverse engineering requirements and handling various media types is evident in our array of structural designs. By continuously integrating cutting-edge domestic and international technologies, we stay at the forefront of the industry. This proactive approach has enabled us to develop a unique line of pneumatic, electric, and hydraulic valves.