High-Quality Long an Stainless Steel Flange Welding Neck Pipe Fitting

• 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 founded in 2013 and is strategically located at No. 620 Mingzhu Road, Longwan District, Shenzhou City, Zhejiang Province, China. Capitalizing on Wenzhou's outstanding local advantages, harnessing the convenient and efficient raw material supply chain of Qingshan Holdings Group, and combining it with our robust forging processes and machining capabilities, we have meticulously crafted a comprehensive production system for Longan flange.
The company currently boasts over a hundred CNC lathes capable of processing high-precision workpieces with diameters less than 2000mm. Additionally, it features 10 machining lathes with diameters exceeding 2000mm for handling heavy workpieces and large tubesheets. We have further strengthened our capabilities with 16 high-precision machining centers, including 6 three-axis machining centers, 3 four-axis machining centers, 3 five-axis machining centers, 3 large gantry machining centers, and 1 two-meter horizontal machining center. This ensures that every product created for our clients is processed entirely within our factory premises, allowing us to meticulously control the quality of each phase and guarantee that every item meets the high-precision standards demanded by our customers. Our powerful equipment configuration fully satisfies all product research and development requirements, offering the utmost convenience and efficiency for our clients' innovative product research and development.
Our company operates a comprehensive online ERP system that seamlessly integrates with the workshop network, from the entry of raw materials to the exit of finished products, enabling a paperless production environment and ensuring precise data tracking for each product. This system facilitates quality control at every production stage, utilizing digital processes to manage each phase meticulously, thereby assuring that product quality at every step aligns with requisite standards.
We also feature independent laboratories equipped with a variety of testing devices, including fully automatic direct reading spectrometers, handheld spectrometers, spectral alloy analyzers, hydraulic universal material testing machines, and pendulum impact testing machines. This extensive array of cutting-edge testing equipment ensures that our products meet the highest standards of quality and performance.