fluorine-butterfly cut-off valve overview: globe valve is the most obvious valve opening and closing. It USES a wedge gate connection or cut off the medium in pipeline. Wedge gate valves are not allowed in the pipeline as the throttling device to raise, in order to avoid because of the high speed flow medium corrosion and accelerate the damage of the sealing surface. Fluorine-butterfly description of gate valves: gate valves is one of the most obvious open/close the valve. Wedge gate is used to connect or cut off the medium in pipeline. Wedge gate valves are not allowed in the pipeline as the throttling device slightly open, so as to avoid the high-speed flow media accelerated the damage of the sealing surface. 聚全氟乙丙烯( f46） And pctfe ( f3) Fluorine-butterfly gate valve is suitable for the aqua regia, sulfuric acid, hydrochloric acid, hydrofluoric acid and various organic acids, concentration of acid and a variety of in - Strong oxidizer of 50 ℃ to 150 ℃. Fep is also applicable to various concentrations of the pipe. Strong alkaline organic solvent and the concentration of other corrosive gas and liquid medium. Fluorine-butterfly gate valve features: 1. There are two kinds of body shape: gb valve for circular, American standard valves pounds DN< 300 lb for plane, DN< 400 lb is circular, valve body, valve cover lumen, outside the gate and stem surface direct contact with the media, are lined with fluoride. Plastic, such as FEP ( F46） 。 2. The second step. Seal by the FPF ( F46） 聚全氟乙丙烯( F46） Material composition and so on, small friction coefficient, opening and closing torque is small. 3. Filler used ptfe ( F4) Standard packing, sealed performance is good, maintenance easy to change. The fourth chapter. Elastic gate can compensate the gate seal face and wedge Angle deviation of the surface. Good compliance, sealing effect is ideal. 5. Medium are available from any direction on both sides through the gate, suitable for medium direction pipe opening and closing device.

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