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, nestled conveniently at No. 620 Mingzhu Road, Longwan District, Wenzhou City, Zhejiang Province, China. By capitalizing on Wenzhou's outstanding local advantages and the seamless, efficient supply of raw materials from Qingshan Holdings Group, coupled with our robust forging processes and superior machining capabilities, we have crafted an impeccable production system for Longan flange, setting a new benchmark in quality and precision.
Currently, our company boasts an impressive fleet of over a hundred CNC lathes, adept at processing high-precision workpieces with a diameter of less than 2000mm. Additionally, we possess 10 machining lathes for handling heavy workpieces and large tubesheets exceeding 2000mm in diameter. Our extensive arsenal also includes 16 state-of-the-art high-precision machining centers: 6 three-axis machining centers, 3 four-axis machining centers, 3 five-axis machining centers, 3 large gantry machining centers, and a 2-meter horizontal machining center. This sophisticated equipment ensures every aspect of our customer's products is meticulously processed within our facilities, enabling exceptional quality control and guaranteeing that each product meets the exacting high-precision standards demanded by our clients. Our powerful equipment configuration comprehensively satisfies all product research and development needs, delivering unmatched convenience and efficiency for innovative product exploration.
Our company is equipped with a comprehensive online ERP system that seamlessly integrates the entire workshop network, from raw material entry to finished product dispatch. This innovative system achieves paperless production and ensures the precise accuracy of data for every product. Simultaneously, through this system, we achieve meticulous quality control at every production stage, employing digital processes to oversee each link of production, thereby guaranteeing that the product quality at every stage meets stringent requirements.
Our company also features independent laboratories, furnished with a variety of cutting-edge testing equipment. This includes fully automatic direct reading spectrometers, handheld spectrometers, spectral alloy analyzers, hydraulic universal material testing machines, and pendulum impact testing machines, all designed to uphold the highest standards of quality and reliability in our products.
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