Long an Stainless Steel Flange Welding Neck Pipe Fitting for Industrial Needs

• 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, Longwan District, Shenzhou City, Zhejiang Province, China. Capitalizing on Wenzhou's exceptional local advantages and the reliable, efficient raw material supply from Qingshan Holdings Group, coupled with our robust forging process and exceptional machining capabilities, we have meticulously developed a comprehensive production system for Long'an flange.
Our esteemed company currently boasts over a hundred CNC lathes, adept at processing high-precision workpieces with a diameter of less than 2000mm. In addition, we possess 10 machining lathes with a diameter exceeding 2000mm, specially designed for the meticulous processing of heavy workpieces and large tube sheets. To uphold our commitment to excellence, we have equipped ourselves with 16 high-precision machining centers, featuring 6 state-of-the-art three-axis machining centers, 3 advanced four-axis machining centers, 3 sophisticated five-axis machining centers, 3 large-scale gantry machining centers, and a 2-meter horizontal machining center. This infrastructure ensures that every customer product is expertly processed within our factory, allowing us to meticulously control the quality of each stage and guarantee that all products meet the stringent high-precision requirements of our valued customers. Our powerful equipment configuration fully satisfies all product research and development needs, delivering the most convenient and efficient services for their innovative product exploration.
Our company is equipped with a comprehensive online ERP system that thoroughly covers the workshop network, from raw material entry to the exit of finished products. This system achieves a seamless, paperless production environment and guarantees the precision of data for every product. Additionally, this system enables stringent quality control at every stage of production, utilizing digital processes to manage each production phase, ensuring that the quality of products in every stage consistently meets the required standards.
Our company prides itself on having independent laboratories, furnished with a diverse array of testing equipment. This includes fully automatic direct-reading spectrometers, handheld spectrometers, specialized alloy analyzers, hydraulic universal material testing machines, and pendulum impact testing machines, all of which ensure our unwavering commitment to precision and quality assurance.