D673W Pneumatic Butterfly Valve Model: D673W nominal diameter: DN50 ~ 800 Nominal pressure: 0.6 1.0 1.6 (Mpa) Temperature: 80 ~ 120 ℃ Drive: Pneumatic connection: the folder structure in the form of: three eccentric sealed Body material: ductile iron, cast steel, alloy steel, stainless steel Suitable medium: air, water, waste water, steam, gas, oil, etc. [D673W Butterfly Valve Wafer Product Description] This product is made of soft sealing butterfly valve and carbon steel or rubber seal stainless steel valve plate, the valve stem configured. For temperature, such as food, pharmaceutical, chemical, petroleum, power, textile, paper and other water supply and drainage, gas pipes for regulating traffic and closure of media role ≤80 ~ 120 ℃. [D673W Butterfly Valve Features] 1, double eccentric structure, with more and more tightly sealed off function, a reliable sealing performance. 2, sealing materials made of stainless steel and nitrile rubber with matching, long service life. 3, rubber seals can be located on the body, it can be located in butterfly board, applicable to the different characteristics of the medium, for users to choose. 4, the disc using frame structure, high strength, flow area, flow resistance. 5, the overall paint, can effectively prevent corrosion and replace the seal as long as the seat material, can be used in different media. 6, the valve has a two-way sealing function, when you install from media flow control, are not affected by spatial location can be installed in any direction. 7, unique structure, flexible operation, effort, and convenient. [D673W Butterfly Valve product performance specifications] design standards: GB / T2238-1989 flange dimensions: GB / T9113.1-2000; GB / T9115.1-2000; JB78 length of the structure: GB / T12221-1989 pressure test : GB / T13927-1992; JB / T9092-1999 [D673W Butterfly Valve Actuator] using the new GT Series pneumatic actuators, double acting and single acting (spring return), gear, safety and reliability; large diameter valves adopt series AW pneumatic actuator fork-type transmission, reasonable structure, the output torque, a double acting and single acting. 1, gear dual-piston, output torque, small size. 2, the choice of aluminum alloy cylinder material, light weight, beautiful appearance. 3, at the top, bottom installation manual operating mechanism. 4, rack connection opening angle can be adjusted, the rated flow. 5, the actuator feedback signal indicating an optional live and all kinds of accessories to automate operations. 6, IS05211 standard provides a convenient connection to install the replacement product. 7, both ends of the adjusting screw allows the sections of standard products at 0 ° and 90 ° has an adjustable range of ± 4 °. Ensure the accuracy of synchronization with the valve. Option attachments: Depending on the requirements of the control and select the following accessories: cut-off Accessories: single solenoid valves, double solenoid valves, limit switches back to the hearing. Air-handling accessories: air filter regulator, air FRL. Next: the D941X electric soft seal butterfly valve flanged a product: D673H-16 Pneumatic Wafer Butterfly Valve