{"id":173,"date":"2026-10-21T18:11:46","date_gmt":"2026-10-21T10:11:46","guid":{"rendered":"http:\/\/a6opyq.cn\/index.php\/proinfo-180\/"},"modified":"2026-10-26T21:44:53","modified_gmt":"2026-10-26T13:44:53","slug":"proinfo-180","status":"publish","type":"page","link":"http:\/\/a6opyq.cn\/index.php\/proinfo-180\/","title":{"rendered":"304\u5185\u886c\u56db\u6c1fPTFE+\u9676\u74f7\u53f6\u8f6e\u65cb\u8f6c\u9600-\u5feb\u62c6\u6ed1\u6746\u5f0f"},"content":{"rendered":"\t\t
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304\u5185\u886c\u56db\u6c1fPTFE+\u9676\u74f7\u53f6\u8f6e\u65cb\u8f6c\u9600-\u5feb\u62c6\u6ed1\u6746\u5f0f<\/h2>\t\t\t\t<\/div>\n\t\t\t\t
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\u6240\u5c5e\u5206\u7c7b\uff1a\u661f\u578b\u5378\u6599\u5668\u7cfb\u5217<\/a><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t

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\n\t\t\t\t\t\t\t\t\t\u3000\u3000\u8f93\u9001\u9502\u7535\u6b63\u8d1f\u6781\u6750\u6599\uff0c\u4e09\u5143\u6750\u6599\uff0c\u78f7\u9178\u94c1\u9502\u7b49\uff0c\u7528\u4ec0\u4e48\u6750\u8d28\u6bd4\u8f83\u597d\uff0c\u9632\u91d1\u5c5e\u63a5\u89e6\uff0c\u7981\u94dc\u950c\uff0c\u5f64\u5947\u63a8\u8350\u4e0d\u9508\u94a2304\/316\u5185\u886c\u56db\u6c1f\u4e5f\u662f\u4e0d\u9519\u7684\u9009\u62e9\u3002\u8f93\u9001\u5316\u5de5\u539f\u6599\uff0c\u7c89\u4f53\u6216\u9897\u7c92\u72b6\uff0c\u6709\u8150\u8680\u6027(\u5982\u5f3a\u9178\u3001\u5f3a\u78b1\u3001\u5f3a\u6c27\u5316\u5242\u7b49)\u4ea6\u53ef\u9009\u5185\u886c\u56db\u6c1f\u65cb\u8f6c\u9600\uff0c\u5982\u7269\u6599\u6709\u7c98\u6027\uff0c\u642d\u914d\u4fa7\u5feb\u62c6\u6216\u6ed1\u6746\u5f0f\uff0c\u53ef\u5feb\u901f\u6e05\u6d17\u53f6\u8f6e\uff0c\u5feb\u901f\u590d\u4f4d\u3002\u3000\u3000What is the best material for transporting lithium positive and negative electrode materials, ternary materials, lithium iron phosphate, etc.? It should prevent metal contact, prohibit copper and zinc, and Tongqi recommends stainless steel 304\/316 lined with PTFE as a good choice. Transporting chemical raw materials in powder or granular form, which are corrosive (such as strong acids, strong alkalis, strong oxidants, etc.), can also be equipped with a PTFE rotary valve lining. If the material is viscous, it can be paired with a side quick release or sliding rod type to quickly clean the impeller and reset it.\u3000\u3000\u65cb\u8f6c\u9600\u5185\u886c\u56db\u6c1f(\u805a\u56db\u6c1f\u4e59\u70ef PTFE)\u7684\u6838\u5fc3\u4f5c\u7528\u662f\u200c\u5229\u7528\u6c1f\u5851\u6599\u6781 \u81f4\u5316\u5b66\u60f0\u6027\u9694\u79bb\u8150\u8680\u4ecb\u8d28\uff0c\u540c\u65f6\u51ed\u501f\u4f4e\u6469\u64e6\u7cfb\u6570\u4fdd\u969c\u65cb\u8f6c\u542f\u95ed\u7075\u6d3b\u4e0e\u5bc6\u5c01\u53ef\u9760\u200c\u3002\u200c\u200c\u3000\u3000The core function of PTFE lining in rotary valves is to utilize the extreme chemical inertness of fluoroplastics to isolate corrosive media, while ensuring flexible opening and closing and reliable sealing with low friction coefficient. \u200c\u200c\u3000\u3000\u5feb\u62c6\u6ed1\u6746\u5f0f\u65cb\u8f6c\u9600\u5185\u886c\u56db\u6c1f\u6838\u5fc3\u529f\u80fd\uff1a\u3000\u30001\u3001\u6781 \u81f4\u8010\u8150\u8680\u9694\u79bb\u200c\uff1aPTFE\u51e0\u4e4e\u8010\u53d7\u6240\u6709\u5f3a\u9178(\u5982\u6d53\u786b\u9178\u3001\u6c22\u6c1f\u9178\u3001\u738b\u6c34)\u3001\u5f3a\u78b1\u53ca\u6709\u673a\u6eb6\u5242\uff0c\u89e3\u51b3\u91d1\u5c5e\u6750\u8d28\u6613\u8150\u8680\u5931\u6548\u96be\u9898 \u3002\u3000\u30002\u3001\u9632\u91d1\u5c5e\u63a5\u89e6\uff1a\u7981\u94dc\u950c\uff0c\u5185\u886c\u540e\u5f62\u6210\u7269\u7406\u5c4f\u969c\uff0c\u963b\u65ad\u9502\u7535\u6c60\u539f\u6599\/\u5316\u5de5\u7269\u6599\u8150\u8680\u6027\u4ecb\u8d28\u4e0e\u91d1\u5c5e\u9600\u4f53\/\u9600\u82af\u63a5\u89e6\u3002\u3000\u30003\u3001\u4f18\u5f02\u5bc6\u5c01\u4e0e\u9632\u7c98\u200c\uff1a\u8868\u9762\u5f20\u529b\u6781\u5c0f\u5177\u6709\u4e0d\u7c98\u6027\uff0c\u9632\u6b62\u4ecb\u8d28\u7ed3\u6676\u6216\u6302\u58c1\u5835\u585e\u6d41\u9053;\u914d\u5408\u5f39\u6027\u53d8\u5f62\u80fd\u529b\u53ef\u5b9e\u73b0\u7d27\u5bc6\u8d34\u5408\uff0c\u8fbe\u5230\u96f6\u6cc4\u6f0f\u6807\u51c6(ANSI Class VI)\uff0c\u5c24\u5176\u9002\u5408\u9891\u7e41\u542f\u95ed\u573a\u666f \u3002\u3000\u30004\u3001\u51cf\u6469\u6da6\u6ed1\u4e0e\u626d\u77e9\u964d\u4f4e\u200c\uff1aPTFE\u52a8\u9759\u6469\u64e6\u7cfb\u6570\u6781\u4f4e\uff0c\u663e\u8457\u51cf\u5c11\u65cb\u8f6c\u90e8\u4ef6\u4e0e\u9600\u5ea7\u95f4\u7684\u6469\u64e6\u963b\u529b\uff0c\u964d\u4f4e\u64cd\u4f5c\u626d\u77e9\uff0c\u9632\u6b62\u5361\u6da9\uff0c\u5ef6\u957f\u673a\u68b0\u5bff\u547d \u3002\u3000\u30005\u3001\u5bbd\u6e29\u9002\u5e94\u6027\u200c\uff1a\u53ef\u5728 -196\u2103\u81f3 +200\u2103(\u90e8\u5206\u5de5\u827a\u53ef\u8fbe 250\u2103)\u8303\u56f4\u5185\u7a33\u5b9a\u5de5\u4f5c\uff0c\u6ee1\u8db3\u591a\u6570\u5316\u5de5\u6781\u7aef\u6e29\u5ea6\u9700\u6c42\uff0c\u540c\u65f6\u4fdd\u6301\u5316\u5b66\u7a33\u5b9a\u6027 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750\u8d28316L\u6216\u8005\u886c\u56db\u6c1f\u6bd4\u8f83\u597d\u3002\u3000\u3000\u7269\u6599\uff1a\u5316\u5de5\u5382\u6d88\u6bd2\u7c89\uff0c\u4e4b\u524d\u7528\u4e0d\u9508\u94a2\u6709\u8150\u8680\uff0c\u9700\u8981\u8010\u8150\u8680\u578b\u9ad8\u7684\uff0c\u6e29\u5ea6\u4e03\u516b\u5341\u5ea6\uff0c\u5c3a\u5bf8DN300.\u81ea\u91cd\u4e0b\u6599\uff0c\u51cf\u901f\u673aSEW-EURODRIVE\u3001NORD(\u8bfa\u5fb7)\uff0c\u7535\u673a\u5367\u9f99\uff0cABB\uff0c\u897f\u95e8\u5b50\u3002\u00a0 \u00a0 \u00a0 \u00a0 \u00a0\u300a\u626b\u4e8c\u7ef4\u7801-\u6dfb\u52a0 \u803f\u5148\u68ee \u5fae\u4fe1-\u54a8\u8be2\u5185\u886c\u56db\u6c1f\u6ed1\u6746\u5f0f\u65cb\u8f6c\u9600\u300b\u3000\u3000Quick release sliding rod rotary valve lined with PTFE core function:\u3000\u30001. Ultimate corrosion resistance isolation: PTFE can withstand almost all strong acids (such as concentrated sulfuric acid, hydrofluoric acid, aqua regia), strong alkalis, and organic solvents, solving the problem of metal material corrosion and failure.\u3000\u30002. Anti metal contact: Copper and zinc are prohibited, and a physical barrier is formed after lining to block the contact between corrosive media of lithium battery raw materials\/chemical materials and metal valve bodies\/cores.\u3000\u30003. Excellent sealing and anti sticking: With extremely low surface tension and non stick properties, it prevents medium crystallization or wall blockage of the flow channel; Combined with elastic deformation ability, it can achieve a tight fit and meet the zero leakage standard (ANSI Class VI), especially suitable for frequent opening and closing scenarios.\u3000\u30004. Friction reducing lubrication and torque reduction: PTFE has an extremely low coefficient of dynamic and static friction, significantly reducing the frictional resistance between rotating parts and valve seats, lowering operating torque, preventing jamming, and extending mechanical life.\u3000\u30005. Wide temperature adaptability: It can work stably within the range of -196 \u2103 to+200 \u2103 (some processes can reach 250 \u2103), meeting the extreme temperature requirements of most chemical industries while maintaining chemical stability. \u200c\u200c\u3000\u30006. Quick cleaning and maintenance: for material bonding, quick disassembly and cleaning, quick reset. Adopting a sliding rod locking mechanism, the valve body can be quickly opened by hand or with simple operation. The rotor is easy to disassemble, easy to clean, and has no hygiene dead corners, meeting the requirements of food and pharmaceutical GMP.\u3000\u3000Changzhou Tongqi\/Jiangsu Tongqi specializes in the production of (B) GFY and YJD series air shut-off fans (air shut-off devices), star shaped unloaders, DS series electric air locks, DN type rotary valves, quick opening cleaning valves, anti jamming rotary valves, offset anti jamming, air delivery straight through rotary valves, high-temperature and high-pressure rotary valves, high-temperature water-cooled, scraper self-cleaning, titanium alloy ceramic tungsten carbide PTFE nylon polyurethane, arch breakers, silo scraper crushers, dispersing and crushing valves, screw conveyors and other products. Widely used in equipment for industries such as lithium batteries, food, petrochemicals, pharmaceuticals, starch, oils, chemical drying, grain, feed, plastics, dust removal, metallurgy, environmental protection, electronics, coal, construction, and power machinery. Used for unloading solid granules, powders, and ultrafine powders under pneumatic conveying and positive and negative pressure in pipeline networks.\u3000\u3000Partial customer requirements:\u3000\u3000In the lithium battery industry, the rotary valve housing is made of 304. lined with PTFE, the rotor is made of PTFE, the main shaft is made of 2205 duplex stainless steel, and the single-sided gap between the rotor and the valve body is 0.25. The main shaft seal is gas sealed (packing+oil seal+air distribution ring), the rotary valve volume is 4L, the speed is 25 revolutions per minute, the motor is Wannana frequency converter, and the reducer is from Guomao.\u3000\u3000Lithium battery raw material transportation, Q \u2265 1t\/h (material bulk density 0.6g\/cm \u00b3), DN200 rotary valve (closed fan) SUS304 lined with PTFE, variable frequency motor protection level IP55. variable frequency drive speed (power 1.1kW, current 2.67A, cooling fan power 42W, current 0.1A).\u3000\u3000Lined PTFE star shaped unloader, material: crystalline glucose, temperature 70-80 \u2103, processing capacity 10T\/H. Moisture content 10%, bulk density 650g\/L. Self weight cutting requires upper circle and lower part, lined with 304 PTFE. The total height of the air damper for the unloader is 580mm, with a body height of 500mm and a mirror height of 80mm. It is designed with a round sky and square shape. The upper flange has 4 screw holes with a diameter of 12mm and a center to center distance of 305mm. The lower base has 4 screw holes with a diameter of 14mm and a center to center distance of 250mm on the same side and 310mm on the left and right sides. It is equipped with a reducer with hard bevel teeth and a Shilin motor.\u3000\u3000Used in the energy storage industry, the material is wet material after pressure filtration, in the form of flakes, with a water content of 10%, and the material is very soft. The DN250 pipeline discharge valve is made of 304 material lined with polytetrafluoroethylene PTFE, and the rotor is also made of PTFE. The motor is directly driven, and the discharge valve shaft seal adopts polytetrafluoroethylene packing, and the shaft seal adopts packing and airtight seal.\u3000\u3000Material: Pharmaceutical powder, at room temperature, material 304 lined with PTFE, inlet and outlet DN200. 12 liters\/revolution, impeller: open type 6-piece cast U-shaped, external bearing, shaft end seal: PTFE packing, reducer motor: cycloidal BI-35-1.1kw (explosion-proof).\u3000\u3000PTFE rotary valve+arch breaking valve. A rotary valve lined with PTFE is required to be DN100. made of stainless steel lined with PTFE, with a solid feeding speed of 1kg\/min. The valve body is equipped with a DN25 nitrogen blowing nozzle. Transport materials containing bromine elements. Corresponding arch breakers are provided to prevent the formation of arch bridges due to material failure, and the arch is also lined with PTFE.\u3000\u3000Star shaped discharge valve lined with PTFE, DN50 national standard flange for feed inlet, explosion-proof motor, 1.5kw, solid material conveying capacity of 1m3\/hr, material: phosphorus pentasulfide, corrosive, installed below the reaction vessel, which needs to be evacuated. Good sealing, material 316L or PTFE lining is better.\u3000\u3000Material: Chemical plant disinfectant powder, previously made of stainless steel with corrosion resistance, requires high corrosion resistance, temperature of 70-80 degrees, size DN300. self weight cutting, reducer SEW-EURODRIVE, NORD, motor Wolong, ABB\uff0c Siemens\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t