Long an Stainless Steel Flange Welding Neck Pipe Fitting for Heavy Applications

• 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 seamless and efficient raw material supply from the renowned Qingshan Holdings Group, along with our robust forging process and machining expertise, we have meticulously crafted a comprehensive production system for Long'an flange.
Our company boasts an impressive fleet of over a hundred CNC lathes, adept at processing high-precision workpieces with diameters up to 2000mm. Additionally, we possess 10 advanced machining lathes, each capable of handling larger diameters over 2000mm, ideal for heavy-duty workpieces and expansive tubesheets. Further elevating our capabilities, we are equipped with 16 high-precision machining centers, including a variety of 6 three-axis, 3 four-axis, 3 five-axis, 3 large gantry, and a specialized 2-meter horizontal machining center. This state-of-the-art equipment ensures that all customer products are meticulously processed within our factory, maintaining stringent quality control at each stage and guaranteeing that every product meets the highest precision requirements of our discerning clientele. Our formidable equipment configuration fully addresses all product research and development needs of our customers, delivering unparalleled and efficient services for their innovative product advancement.
Long'an Flange Co. has implemented a sophisticated online ERP system, thoroughly integrating the workshop network from raw material entry to finished product dispatch. This innovation achieves paperless production, ensuring unparalleled accuracy in data for every product. Concurrently, this system facilitates stringent quality control at every stage of production. By harnessing digital processes, we meticulously oversee each phase of production, ensuring that product quality consistently meets stringent standards at every juncture.
Our company also prides itself on possessing independent laboratories, equipped with a diverse range of cutting-edge testing equipment. This includes fully automatic direct reading spectrometers, portable spectrometers, specialized spectral alloy analyzers, hydraulic universal material testing machines, and pendulum impact testing machines. This ensures comprehensive and precise testing capabilities for our products.