Long an Stainless Steel Pipe Fitting Welding Neck Flange with OEM Options

• Customization: Available
• Standard: ANSI, DIN, GB, JIS, GOST
• Type: Welding Flange
• Model NO.: WN flanges
• Material: Stainless Steel
• Structure: Flanges
• Connection: Welding
• Sealing Surface: RF
• Manufacturing Way: Forging
• Brand Name: Long an
• Warranty: 1 Year
• Customized Support: OEM&ODM
• Package: Wooden Box or Pallet or Carton
• Technology: Forged
• Model Number: Flange
• Application: Petroleum, Natural Gas, Water Disposal
• Delivery Time: 10-20
• Pressure: Pn6/10/16/25/40/63
• Service: Within 24hours Reply
• Transport Package: Wooden Box
• Trademark: Long′an Flange
• Origin: Wenzhou, China
• HS Code: 7307210000
• Production Capacity: 1000000

Product Description

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., established in 2013, is strategically situated at No. 620 Mingzhu Road, Longwan District, Wenzhou City, Zhejiang Province, China. Harnessing the exceptional local benefits of Wenzhou and the seamless access to high-quality raw materials from Qingshan Holdings Group, we have meticulously crafted a complete production system. This system combines our robust forging processes and superior machining capabilities to deliver outstanding Long'an flanges.
Our company boasts an impressive array of over a hundred CNC lathes, designed to handle high-precision tasks with diameters under 2000mm. In addition, we feature 10 specialized machining lathes for managing substantial workpieces and sizable tubesheets beyond 2000mm in diameter. To further enhance our capabilities, we have outfitted our facilities with 16 cutting-edge machining centers. This includes 6 three-axis, 3 four-axis, 3 five-axis machining centers, 3 large gantry machining centers, and a 2-meter horizontal machining center, ensuring that every product is meticulously crafted in-house. This robust equipment setup enables us to maintain unparalleled quality control over each production stage, ensuring every product meets the stringent high-precision standards demanded by our customers. Our powerful equipment configuration comprehensively supports all aspects of product research and development, delivering the utmost convenience and efficiency for our clients' innovative projects.
Our comprehensive online ERP system seamlessly integrates with the entire workshop network, covering everything from raw material entry to finished product exit. This paperless production approach guarantees precise data management for every product. Through this system, we achieve stringent quality control at every phase, utilizing digital processes to meticulously oversee each step of production. This ensures that product quality consistently meets the required standards at every stage of the production process.
Our sophisticated laboratory facilities are independently operated and outfitted with a diverse range of state-of-the-art testing equipment. This includes fully automated direct reading spectrometers, portable spectrometers, spectral alloy analyzers, hydraulic universal material testing machines, and pendulum impact testing machines. These advanced tools enable us to conduct thorough and precise evaluations, ensuring the highest quality standards for our products.