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

• 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. proudly established its foundations in 2013, strategically located at No. 620 Mingzhu Road, Longwan District, Shenzhou City, Zhejiang Province, China. By capitalizing on Wenzhou's exceptional local advantages and benefiting from the convenient and efficient raw material supply of Qingshan Holdings Group, combined with its robust forging process and machining capabilities, we have meticulously crafted a comprehensive production system for Long'an Flange.
Currently, the company boasts over a hundred CNC lathes, adept at processing high-precision workpieces with diameters under 2000mm. Additionally, it houses 10 machining lathes specifically designed for heavy workpieces and large tubesheets with diameters exceeding 2000mm. Our facility is further enhanced by 16 high-precision machining centers, which include 6 three-axis, 3 four-axis, 3 five-axis machining centers, 3 large gantry machining centers, and a 2-meter horizontal machining center. This extensive equipment lineup ensures that every customer product is meticulously processed on-site, enabling us to maintain strict quality control over each link and guaranteeing that every product meets the high-precision requirements of our esteemed clientele. This formidable equipment setup comprehensively fulfills all product research and development needs, offering the utmost convenience and efficiency in support of innovative product development.
The company operates a sophisticated online ERP system that fully integrates with the workshop network, covering every stage from raw material entry to finished product exit. This system facilitates paperless production and ensures data accuracy for each product. Simultaneously, through this advanced system, meticulous quality control is applied to every stage of production. Digital processes are employed to manage each production link, ensuring product quality consistently meets the highest standards at every stage.
In addition to its comprehensive facilities, the company maintains independent laboratories, equipped with an array of advanced testing instruments, including fully automatic direct reading spectrometers, handheld spectrometers, spectral alloy analyzers, hydraulic universal material testing machines, and pendulum impact testing machines.