Long an Stainless Steel Flange Welding Neck Pipe Fitting with Premium Quality

• 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 proudly established in 2013, strategically located at No. 620 Mingzhu Road, in the vibrant Longwan District of Wenzhou City, Zhejiang Province, China. By capitalizing on Wenzhou's exceptional local advantages and the seamless access to raw materials provided by Qingshan Holdings Group, along with our robust forging process and machining capabilities, we have meticulously crafted a comprehensive production system for Long'an flange.
The company is equipped with an impressive array of over a hundred CNC lathes that expertly handle high-precision workpieces with diameters of up to 2000mm. Additionally, we boast 10 machining lathes capable of working with diameters exceeding 2000mm, ideal for processing heavy workpieces and large tubesheets. Our advanced facility includes 16 high-precision machining centers: 6 cutting-edge three-axis centers, 3 sophisticated four-axis centers, 3 state-of-the-art five-axis centers, 3 large gantry machining centers, and a 2-meter horizontal machining center. This comprehensive equipment lineup enables us to process every customer's product entirely in-house, ensuring superior quality control at every stage and meeting even the most stringent high-precision requirements. Our powerful equipment configuration fully supports all customer product research and development needs, delivering unmatched convenience and efficiency for their innovative endeavors.
Our company operates with a state-of-the-art online ERP system that intricately integrates the workshop network, from the initial entry of raw materials to the seamless exit of finished products, achieving a streamlined paperless production process. This ensures unparalleled accuracy in data management for every product. Simultaneously, the system facilitates rigorous quality control in every production phase, employing digital processes to meticulously oversee each stage, thereby guaranteeing that product quality consistently meets the highest standards at every link.
The company prides itself on having independent laboratories, fully equipped with an array of testing equipment, including fully automated direct reading spectrometers, handheld spectrometers, spectral alloy analyzers, hydraulic universal material testing machines, and pendulum impact testing machines. These cutting-edge tools ensure rigorous testing and verification, underscoring our commitment to delivering products of exceptional quality and reliability.