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., proudly established in 2013, is strategically located at No. 620 Mingzhu Road, Longwan District, Shenzhou City, Zhejiang Province, China. Harnessing the exceptional local advantages of Wenzhou and the convenient, efficient raw material supply from Qingshan Holdings Group, coupled with our robust forging techniques and machining capabilities, we've developed a comprehensive production system for Longan flange.
Currently, our company boasts an impressive array of over 100 CNC lathes capable of processing high-precision workpieces with diameters under 2000mm. Additionally, we operate 10 specialized lathes for handling heavy workpieces and large tubesheets, exceeding 2000mm in diameter. Equipped with 16 state-of-the-art high-precision machining centers, including 6 three-axis, 3 four-axis, 3 five-axis, 3 large gantry machining centers, and a unique 2-meter horizontal machining center, we guarantee that every customer product is meticulously processed on-site. This enables us to maintain stringent quality control over each production link, ensuring our products consistently meet the high precision requirements set by our clients. Our powerful equipment array fully satisfies all customer research and development needs, offering unparalleled convenience and efficiency for innovative product development.
Our company features an extensive online ERP system that seamlessly integrates the workshop network from raw material entry to finished product exit, achieving a completely paperless production environment. This system ensures the precise accuracy of data for every product. Simultaneously, it allows for rigorous quality control at every production stage, employing digital processes to meticulously monitor each production link, guaranteeing that product quality at every stage meets the required standards.
We proudly maintain independent laboratories, fully equipped with a wide range of testing machinery, including fully automatic direct reading spectrometers, handheld spectrometers, spectral alloy analyzers, hydraulic universal material testing machines, and pendulum impact testing machines. This comprehensive testing capability ensures our products meet the highest standards of quality and reliability.
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