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 nestled at No. 620 Mingzhu Road, Longwan District, Wenzhou City, Zhejiang Province, China. By harnessing Wenzhou's exceptional local advantages and the reliable raw material supply from Qingshan Holdings Group, along with our robust forging processes and machining expertise, we have meticulously crafted a comprehensive production system dedicated to Long'an flange.
At our forefront facility, we boast a remarkable arsenal of over a hundred CNC lathes, capable of expertly crafting high-precision workpieces with diameters up to 2000mm. Additionally, we house 10 powerful machining lathes designed for handling heavy workpieces and large tubesheets exceeding 2000mm in diameter. Our state-of-the-art setup includes 16 high-precision machining centers, featuring 6 three-axis, 3 four-axis, 3 five-axis machining centers, along with 3 expansive gantry machining centers and an impressive 2-meter horizontal machining center. This advanced machinery assures that every customer product is meticulously processed within our facility, allowing us to meticulously control quality at every stage and ensure each creation meets our customers' high-precision requirements. Our formidable equipment array comprehensively fulfills all product research and development needs, delivering unparalleled convenience and efficiency to support groundbreaking product innovation for our clients.
Our company is equipped with a sophisticated and comprehensive online ERP system that thoroughly integrates the workshop network, from raw material entry to finished product exit. This seamless transition to paperless production safeguards data accuracy for each product. Simultaneously, our system meticulously manages quality control across every step of production. By embedding digital processes into each phase, we ensure that product quality consistently meets the stringent standards required at every link, offering you unparalleled reliability and precision.
Our company prides itself on having independent laboratories, meticulously equipped with a diverse array of testing equipment. This includes fully automatic direct reading spectrometers, handheld spectrometers, spectral alloy analyzers, hydraulic universal material testing machines, and pendulum impact testing machines. Each piece of sophisticated equipment ensures thorough evaluation and quality assurance, embodying our commitment to excellence.






