Answers to FAQs of Fluorine-Lined Ball Valves Fluorine-lined ball valve
is a relatively common ball valve, which mainly plays the role of opening and closing in pipelines with corrosion-resistant media, but customers will encounter some difficult problems when purchasing or using , the following lists several fluorine-lined ball valve related issues. 1. What is a fluorine-lined ball valve, and what is a fluorine-lined ball valve? Answer: The fluorine-lined ball valve has the principle of the movement structure of the ordinary ball valve (the ball with a circular through hole is used as the opening and closing part, and the ball rotates with the valve stem around the center line of the valve body to realize the opening and closing of the valve), which is used to control various strong corrosion. sexual medium. Fluorine-lined ball valve, first of all, fluorine-lined refers to the material of fluoroplastic and PTFE. The fluorine-lined ball valve is an anti-corrosion ball valve coated with this material on the interface between the ball valve and the fluid. 2. Among the lining materials of fluorine-lined ball valves, PTFE and PFA are better, but more expensive? Answer: PTFE and PFA are essentially both fluoroplastics, PTEF is polytetrafluoroethylene, and PFA is a copolymer of tetrafluoroethylene and perfluoroalkoxy vinyl ether (good solubility). There is not much difference in performance, except that PTFE is much higher than PFA in processing temperature and service temperature. PFA will be a little more expensive in price. 3. What is the difference between a PTFE-lined ball valve and a fluorine-lined ball valve? Answer: There is no difference between PTFE ball valve and fluorine-lined ball valve, but fluorine-lined is a general term, and PTFE indicates which fluorine to use. It should be said that tetrafluoro is a kind of fluorine lining. But tetrafluoro (F4) should be the best kind of fluorine at present. The temperature resistance can reach 180 degrees. F46 is only 150 degrees. 4. What are the internal components of the fluorine-lined ball valve? Spool Type: Ball Spool Spool Material: 2Cr13 Lined with F46 Flow Characteristics: Approximate Equal Percentage Rated Stroke: Fully Open 90° 5. How to maintain the fluorine-lined ball valve during cleaning? A: The disassembled individual parts can be cleaned by dipping. The metal parts with undecomposed non-metal parts can be scrubbed with a clean and fine silk cloth impregnated with cleaning agent (to prevent the fibers from falling off and adhering to the parts). When cleaning, all grease, dirt, glue, dust, etc. adhering to the wall must be removed.
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