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 |
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Wenzhou Long'an Flange Co., Ltd. was established in 2013 and is strategically located at No. 620 Mingzhu Road, Longwan District, Wenzhou City, Zhejiang Province, China. By capitalizing on Wenzhou's outstanding local advantages and leveraging the convenient and efficient raw material supply from Qingshan Holdings Group, combined with our robust forging process and advanced machining capabilities, we have developed a comprehensive production system for Long'an flange, ensuring superior quality and performance.
The company currently boasts over a hundred CNC lathes, capable of processing high-precision workpieces with diameters less than 2000mm. Additionally, we possess 10 machining lathes with diameters exceeding 2000mm, tailored for heavy workpieces and large tubesheets. Our facility is further enhanced by 16 high-precision machining centers, including 6 three-axis, 3 four-axis, 3 five-axis machining centers, 3 large gantry machining centers, and a 2-meter horizontal machining center. This sophisticated equipment ensures that every product is meticulously processed within our factory, allowing us to control quality at every stage and meet the high-precision demands of our clients. Our powerful equipment configuration seamlessly accommodates all customer research and development needs, delivering exceptional and efficient services for their innovative product development.
Our company boasts a fully integrated online ERP system, ensuring comprehensive coverage of our workshop network from raw material intake to finished product dispatch. This system enables paperless production and guarantees data accuracy for each product. Simultaneously, it facilitates quality control at every production stage, employing digital processes to manage each link, thereby ensuring that the product quality in every phase meets stringent requirements.
The company is equipped with state-of-the-art independent laboratories and a wide array of testing equipment, including fully automatic direct-reading spectrometers, handheld spectrometers, spectral alloy analyzers, hydraulic universal material testing machines, and pendulum impact testing machines. This advanced testing infrastructure ensures rigorous quality assurance and compliance with industry standards.
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