Type |
Plate flange ,Lap Joint Flange ,Threaded flange, Socket Welding Flange, Blind Flange, Slip on Flange |
Technics |
Forged,Cast. |
Size |
1/2"-80"(DN15-DN2000) |
Pressure |
150 lbs - 2500lbs PN6-PN250 0.6MPa-32MPa 5K-30K |
Standard |
EN,DIN,UNI,BS,NF,ANSI,ASME,JIS,KS,API,MSS DIN:DIN2527,DIN2566,DIN2573,DIN2576,DIN2641,DIN2642,DIN2655,DIN2656,DIN2627,DIN2628,DIN2629,DIN 2631, ANSI:ANSI B16.5,ANSI B16.47,MSS SP44,ANSI B16.36,ANSI B16.48 BS4504, BS1560, BS10 UNI:2276 2277 2278 6084 6089 6090 2544 2282 6091-6093 JIS |
Material |
Stainless steel: ASTM A182 F1, F5, F9, F22, F91, 310/F304/304L/F316/F316L, F321, F347. |
Surface
treatment |
Galvanized(hot,cold),varnish Method rust oil Plastic spraying |
Application Fields |
Chemical Industry /Petroleum Industry /Power Industry/Metallurgical Industry Building Industry /Ship-building Industry |
Wenzhou Long'an Flange Co., Ltd. was proudly established in 2013, strategically located at No. 620 Mingzhu Road, Longwan District, Wenzhou City, Zhejiang Province, China. By capitalizing on Wenzhou's exceptional local advantages and leveraging the seamless and efficient raw material supply from Qingshan Holdings Group, our company has developed a robust production system for Long'an Flange. This system is underpinned by our strong forging processes and exceptional machining capabilities, empowering us to deliver unparalleled quality and precision in our products.
Our company currently boasts an impressive arsenal of over a hundred CNC lathes, expertly engineered to process high-precision workpieces with diameters of less than 2000mm. Additionally, we have 10 specialized machining lathes for larger endeavors, accommodating diameters exceeding 2000mm. These are ideal for handling heavy workpieces and expansive tubesheets. To further elevate our manufacturing prowess, we have equipped 16 high-precision machining centers: 6 three-axis centers, 3 four-axis centers, 3 five-axis centers, 3 large gantry centers, and a singular 2-meter horizontal machining center. This remarkable configuration ensures that every customer's product is meticulously processed within our premises, allowing us to maintain stringent quality control at every stage. We are committed to meeting the highest precision requirements, providing powerful equipment configurations that fulfill all product research and development needs, delivering the most convenient and efficient solutions for innovative product development.
Our company is seamlessly integrated with a comprehensive online ERP system that meticulously covers the entire workshop network, from raw material entry to the seamless exit of finished products. This digitized approach achieves a paperless production environment, ensuring the utmost accuracy of data for each product. Through this advanced system, we achieve impeccable quality control at every production stage, employing digital processes to carefully manage each link, thereby guaranteeing that the quality of every product meets the highest standards throughout the production chain.
Our company is also home to independent laboratories, outfitted with an array of cutting-edge testing equipment. This includes fully automatic direct reading spectrometers, portable handheld spectrometers, spectral alloy analyzers, hydraulic universal material testing machines, and pendulum impact testing machines. These tools ensure precise and reliable testing results, further bolstering our commitment to excellence in product quality.




