Long an Stainless Steel Welding Neck Flange Pipe Fitting with 1-Year Warranty

• 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. was established in 2013 and is strategically located at No. 620 Mingzhu Road, Longwan District, Wenzhou City, Zhejiang Province, China. Harnessing the superior local advantages of Wenzhou, we benefit from the convenient and efficient raw material supply by Qingshan Holdings Group. With our robust forging process and machining capabilities, we have developed a comprehensive production system for Long'an flange, ensuring excellence in every product.
Our company currently boasts over a hundred CNC lathes capable of processing high-precision workpieces with diameters less than 2000mm. Additionally, we have 10 machining lathes that handle diameters exceeding 2000mm, ideal for heavy workpieces and large tubesheets. To further enhance precision, we are equipped with 16 high-precision machining centers, including 6 three-axis, 3 four-axis, 3 five-axis machining centers, 3 large gantry machining centers, and a 2-meter horizontal machining center. This setup ensures in-house processing, meticulous quality control, and that each product meets the high-precision requirements of our esteemed customers. Our powerful equipment configuration comprehensively addresses all research and development needs, providing customers with the most convenient and efficient services for their innovative product development.
Our company has implemented a comprehensive online ERP system that fully integrates with our workshop network, from raw material intake to finished product dispatch. This digital transformation achieves paperless production and guarantees data accuracy for each product. Through this system, we exercise stringent quality control at every stage of production, using digital processes to maintain product quality at every step, ensuring compliance with stringent standards.
We are equipped with independent laboratories and an array of cutting-edge testing equipment, including fully automatic direct reading spectrometers, handheld spectrometers, spectral alloy analyzers, hydraulic universal material testing machines, and pendulum impact testing machines. This state-of-the-art equipment ensures rigorous quality assessment and validation of our products.