Type |
Plate flange ,Lap Joint Flange ,Threaded flange, Socket Welding Flange, Blind Flange, Slip on Flange |
Technics |
Forged,Cast. |
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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 |
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Wenzhou Long'an Flange Co., Ltd., a shining example of innovation and precision, has been expertly crafting premier components since 2013. Located at the illustrious No. 620 Mingzhu Road, within the dynamic Longwan District of Wenzhou City, Zhejiang Province, China, we thrive on the exceptional regional advantages and the seamless, efficient supply of raw materials from Qingshan Holdings Group. Our complete production system for Longan flange is a testament to our commitment to quality. Distinguished by our robust forging processes and cutting-edge machining capabilities, we are able to produce flanges that are truly world-class, setting a benchmark in the industry.
Equipped with an impressive arsenal of over 100 state-of-the-art CNC lathes, Wenzhou Long'an Flange Co. has the capability to craft high-precision workpieces with diameters up to 2000mm, achieving exceptional accuracy. For larger and heavier workpieces, such as expansive tubesheets, we proudly house 10 high-capacity machining lathes with diameters exceeding 2000mm. In our unwavering commitment to precision, our facilities are complemented by 16 cutting-edge high-precision machining centers. This includes 6 three-axis, 3 four-axis, 3 five-axis units, 3 grand gantry machining centers, and a commanding 2-meter horizontal machining center. This robust suite of equipment ensures that every product is meticulously refined within our advanced facilities, allowing us to maintain stringent quality control at every stage and fulfill the rigorous precision requirements of our esteemed clientele. Our formidable equipment setup supports all product research and development endeavors, offering unmatched convenience and efficiency for pioneering product innovation.
Our company is immensely proud of its cutting-edge online ERP system, which seamlessly integrates with our workshop network from the entry of raw materials to the departure of finished products. This sophisticated system revolutionizes our production process by ensuring paperless operations and maintaining impeccable data accuracy for every crafted item. Furthermore, this advanced system allows for meticulous quality control at every production stage, employing digital processes to oversee each step, guaranteeing that every product consistently meets our rigorous standards of quality.
Further enhancing our production prowess, we have established independent laboratories brimming with an array of state-of-the-art testing equipment. This includes fully automatic direct-reading spectrometers, portable spectrometers, spectral alloy analyzers, hydraulic universal material testing machines, and pendulum impact testing machines. Each piece of equipment exemplifies our unwavering commitment to precision, enabling us to uphold the highest standards of quality and reliability, and ensuring that our products remain at the forefront of excellence.




