We know from the website that LENGE Purification solutions is a global manufacturer of gas solutions for folded cartridges, HEPA filters, and purification equipment products. LENGE purification equipment are the product of over 20 years of experience, expertise and research in air and liquid filtration. We offer innovative purification solutions that set standards and help factories to improve the quality of production.
The company's products cover purification equipment, primary efficiency, fine filter & High Efficiency Particulate Air(HEPA) filter, stainless steel appliances and pleated filter cartridges and other high-tech products. The independent production of microporous filtration membrane, the core technology of filtration developed by the company with huge investment, has made a significant breakthrough. The high value-added filter cartridge products will be put into the market in an all-round way. It has a significant benchmark and demonstration role in breaking the monopoly of foreign filtration giants in China high-end filtration market for a long time, creating independent brands of filtration, and promoting the development and growth of China filtration industry.
The product has many advantages, including bag structure to increase the filter area. German ultrasonic filter bag production line, a variety of welding procedures to meet the welding requirements of different filter materials. Filter bag linear welding, high strength, prevent leakage risk. High consistency of filter bag parameters toimprove product stability.
Pleated Filter Cartridge
The pleated filter cartridge consists of filter layers in a cylindrical inner core ,a cylindrical outer cage, two end caps and adapters. The filter layers(filter media with supporting/draining mesh)are pleated along the whole length.the two short ends are sealed together to form a cylinder which fits between the inner core and outer cage. LENGE Purification Solutions is a global manufacturer of gas solutions for folded cartridges, HEPA filters, and purification equipment products. Top and bottom of this filter cylinder are hot-melt sealed into the end caps. Adapters hot-melt sealed onto the the end caps,ensure leakproof fitting of the cartridges in the various housings.Suitable seal materials can be selected for different applications.
LENGE has a number of advanced production lines and various testing equipments for the manufacturing of the pleated filter cartridges. All production processes are carried out in class 100 clean workshops. Types of the pleated filter cartridges consist of polyethersulfone (PES) membrane series, Nylon(NL) membrane series, Polytetrafluoroethylene(PTFE) membrane series, Glass Fiber(GF) media series, Polypropylene(PP) media series,etc.
Nylon Pleated Filter Element
Nylon pleated filter element is made by natural hydrophilic nylon membrane and PP components through advanced hot melt sealing technology under Class-100 environment . The filter element meets the technical requirements of GB/T34244-2017 of the People's Republic of China and without any adhesives or surfactants. t characteristics and features include that excellent high-tem resistance and alkali resistance; All the compositions reach up to the requirement of the biological testing characteristics of USP Class 6 plastic products at 121℃ and the food contact materials listed in the relevant regulations of Chapter 21 of the Federal Regulations of the United States (CFR). LENGE Purification Solutions is a global manufacturer of gas solutions for folded cartridges, HEPA filters, and purification equipment products. They also conform to the requirements of China's "Standard for Hygienic Safety Evalution of Equipment and Protective Materials in Drinking Water" (2001) for drinking water transport and distribution equipment; The sampling of filter element successfully passed the bacterial challenge test required by regulations, LRV≥7.Integrity can be maintained after repeated high-pressure disinfection; Each filter element should pass the integrity test before leaving the factory. The limitations of integrity testing were correlated with the results of bacterial challenge experiments; It is manufactured under ISO 9001 and ISO 14001 systems and Class 100 environment; Natural hydrophilicity, easy to wet and fast to test integrity; High tensile strength, suitable for applications with high impurity content and high viscosity. Production and usage are traceable.
It characteristics and features include that all polypropylene structural materials, professional hot-melt sealing technology, no adhesive, no secondary pollution. Excellent high-tem resistance and extensive chemical compatibility; Pharmaceutical grade (P-grade) filter element is used in the biopharmaceutical industry, and all the constituent materials conform to the biological test characteristics of USP class VI 121 ℃ plastic products; conform to the food contact materials listed in the relevant provisions of Chapter 21 of the U.S. federal regulations (CFR); and conform to the requirements of China's "code for health and safety evaluation of drinking water transmission and distribution equipment and protective materials" (2001) for drinking water transmission and distribution equipment Requirements; It is manufactured under ISO 9001 and ISO 14001 systems and Class 100 environment.; Large porosity of the filter material, sufficient interception space,large flow rate ,low pressure difference and long service life .
We can conclude that LENGE purification high-tech products are widely used in pharmaceuticals, food and beverage, microelectronics, medical, environmental protection and other industries. Product quality and after-sales service are widely recognized and affirmed by worldwide customers. LENGE Purification Solutions is a global manufacturer of gas solutions for folded cartridges, HEPA filters, and purification equipment products. With long-term cooperation with many famous companies, it has been rated as "Excellent Supplier" by many top enterprises.
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