Long an High-Performance Stainless Steel Socket Neck Flange Fitting

• Customization: Available
• Standard: ANSI, DIN, GB, JIS, GOST, BSW
• Type: Socket Welding Flange
• Model NO.: Socket welding
• 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., established in 2013, is strategically nestled at No. 620 Mingzhu Road, Longwan District, Shenzhou City, Zhejiang Province, China. Capitalizing on Wenzhou's exceptional local advantages, our enterprise benefits from the seamless and effective raw material supply chain of Qingshan Holdings Group. Coupled with our robust forging processes and machining expertise, we have meticulously crafted a comprehensive production system for Long'an flange, ensuring quality and excellence at every stage.
Currently, our company boasts an impressive array of over a hundred CNC lathes, adept at processing high-precision workpieces with diameters under 2000mm. In addition, we operate 10 specialized lathes exceeding 2000mm in diameter, designed for handling heavy workpieces and substantial tubesheets. Our advanced facilities also include 16 high-precision machining centers: 6 three-axis, 3 four-axis, 3 five-axis, 3 large gantry, and 1 expansive 2-meter horizontal machining center. This formidable equipment array ensures that every customer's product undergoes precise processing entirely within our premises, maintaining stringent quality control at each stage and meeting high-precision customer demands. Our powerful equipment configuration thoroughly supports all aspects of product research and development, delivering the most convenient and efficient services for innovative product creation.
Our company operates a sophisticated online ERP system that seamlessly integrates the workshop network, from raw material entry to finished product dispatch. This paperless production approach guarantees data accuracy for each product. Simultaneously, the system enables precise quality control across every production phase, utilizing digital processes to manage each step and ensuring that the product quality across all stages consistently meets stringent requirements.
In addition, we possess independent laboratories equipped with a diverse range of testing instruments, including fully automatic direct reading spectrometers, handheld spectrometers, spectral alloy analyzers, hydraulic universal material testing machines, and pendulum impact testing machines. These state-of-the-art facilities ensure that we rigorously uphold our commitment to quality and precision.