Long an Reliable 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, perfectly situated at No. 620 Mingzhu Road, Longwan District, Shenzhou City, Zhejiang Province, China. By harnessing Wenzhou's exceptional local advantages and the convenient, efficient supply of raw materials from Qingshan Holdings Group, complemented with our robust forging process and machining capabilities, we have established a comprehensive production system for the Long'an flange that stands second to none.
The company presently boasts an impressive fleet of over a hundred CNC lathes proficient in processing high-precision workpieces with diameters under 2000mm. Additionally, we possess 10 machining lathes for processing substantial workpieces and large tubesheets. Our advanced technological arsenal is further enhanced by 16 high-precision machining centers. This includes 6 three-axis machining centers, 3 four-axis machining centers, 3 five-axis machining centers, 3 large gantry machining centers, and a singular 2-meter horizontal machining center. Such formidable equipment ensures that every customer's product is meticulously processed in-house, maintaining stringent quality control across every link, and assuring each product meets the high-precision demands of our clients. This powerful machine configuration fully addresses all product research and development requirements, offering the most convenient and efficient services for innovative product advancement.
Our company has implemented a comprehensive online ERP system that fully integrates with the workshop network, from raw material entry to finished product exit, achieving a paperless production environment and ensuring data accuracy for every product. Concurrently, this system facilitates quality control across every production phase, utilizing digital processes to maintain stringent control and guaranteeing that product quality across each stage meets established standards.
Our company proudly possesses independent laboratories outfitted with an array of sophisticated testing equipment, including fully automatic direct reading spectrometers, handheld spectrometers, spectral alloy analyzers, hydraulic universal material testing machines, and pendulum impact testing machines.