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, Shenzhou City, Zhejiang Province, China. By harnessing the region's exceptional local advantages and leveraging the reliable and efficient supply of raw materials from Qingshan Holdings Group, coupled with our robust forging and machining capabilities, we have meticulously crafted a comprehensive production system for Long'an flange.
Our esteemed company currently boasts an impressive fleet of over a hundred CNC lathes, adept at processing high-precision workpieces with diameters under 2000mm. In addition, we feature 10 machining lathes for handling heavy workpieces and large tubesheets with diameters exceeding 2000mm. Our facility is further enhanced by 16 state-of-the-art machining centers, including 6 three-axis, 3 four-axis, 3 five-axis machining centers, and 3 large gantry machining centers, alongside a 2-meter horizontal machining center. This formidable lineup ensures that every customer's product is meticulously processed within our factory, maintaining stringent quality control at each stage and meeting the high-precision demands of our clients. Our powerful equipment configuration elegantly caters to all product research and development needs, offering the most seamless and efficient services for innovative product creation.
Equipped with a sophisticated online ERP system, our company guarantees full workshop network coverage, from raw material intake to finished product dispatch, achieving a paperless production environment while ensuring precise data accuracy for each product. This advanced system enables stringent quality control across each production phase, using digital processes to maintain seamless quality assurance, ensuring our products consistently meet exacting standards at every stage.
We proudly feature independent laboratories outfitted with an array of sophisticated testing equipment. Our arsenal includes fully automatic direct reading spectrometers, handheld spectrometers, spectral alloy analyzers, hydraulic universal material testing machines, and pendulum impact testing machines, ensuring meticulous quality assurance throughout our production processes.






