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 established in 2013 and is proudly situated at No. 620 Mingzhu Road, Longwan District, Wenzhou City, Zhejiang Province, China. Harnessing the exceptional local advantages of Wenzhou and benefiting from the seamless access to high-quality raw materials provided by Qingshan Holdings Group, we have developed a robust production system for Long'an flange. Coupled with our formidable forging and machining capabilities, we have built a comprehensive production infrastructure.
Currently, the company boasts over a hundred CNC lathes, expertly handling high-precision workpieces with diameters of less than 2000mm. Additionally, we maintain 10 machining lathes for diameters exceeding 2000mm, ideal for heavy workpieces and large tubesheets. Our state-of-the-art facilities include 16 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 ensures that every client's product is meticulously processed within our factory, maintaining quality at every stage and meeting the stringent high-precision standards demanded by our customers. Our powerful equipment configuration effectively addresses all product research and development needs, offering unparalleled convenience and efficiency for innovative product development.
Our company employs a comprehensive online ERP system that fully integrates with our workshop network, from the entry of raw materials to the dispatch of finished products, achieving a seamless, paperless production environment. This system ensures data accuracy for each product and maintains stringent quality control at every production stage. By utilizing digital processes, we meticulously manage each phase of production to guarantee that product quality consistently meets the required standards.
The company is equipped with 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. These resources empower us to conduct thorough and precise evaluations, ensuring the utmost reliability and integrity of our products.




