Long an Stainless Steel Pipe Fitting Welding Neck Flange for Optimal Performance

• 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., founded in 2013 and strategically located at No. 620 Mingzhu Road, Longwan District, Wenzhou City, Zhejiang Province, China, brilliantly capitalizes on the region's exceptional local advantages. By harnessing the convenient and efficient raw material supply from Qingshan Holdings Group, and integrating our robust forging and machining capabilities, we have meticulously crafted a comprehensive production system for Long'an flange, ensuring top-tier quality and efficiency.
Our company currently boasts an impressive array of over a hundred CNC lathes, adept at processing high-precision workpieces with diameters less than 2000mm. Additionally, we house 10 specialized machining lathes capable of handling heavy workpieces and large tubesheets exceeding 2000mm in diameter. Equipped with 16 high-precision machining centers, including 6 three-axis, 3 four-axis, 3 five-axis, 3 large gantry, and a 2-meter horizontal machining center, we guarantee meticulous in-house processing of every product, maintaining stringent quality control at each stage. Our formidable equipment configuration comprehensively caters to all product research and development needs, delivering the most convenient and efficient services for your innovative projects.
Our company operates a sophisticated online ERP system that seamlessly integrates the workshop network, from raw material intake to finished product dispatch, achieving a paperless production environment and ensuring precise data accuracy at every stage. This system facilitates rigorous quality control at every production phase, with digital processes managing each step to meet stringent quality standards, ensuring excellence in every product we deliver.
Wenzhou Long'an Flange Co., Ltd. also proudly operates independent laboratories, fully equipped with a variety of state-of-the-art testing machines. These include fully automatic direct reading spectrometers, handheld spectrometers, spectral alloy analyzers, hydraulic universal material testing machines, and pendulum impact testing machines, ensuring comprehensive testing and quality assurance for all our products.