Long an Reliable Quality Stainless Steel Socket Neck Flanges

• 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 and strategically located at No. 620 Mingzhu Road, Longwan District, Wenzhou City, Zhejiang Province, China, capitalizes on the region's exceptional advantages. By utilizing the convenient and efficient raw material supply from Qingshan Holdings Group, combined with robust forging and machining capabilities, we have meticulously developed a comprehensive production system for Long'an flange.
Currently, the company boasts over one hundred CNC lathes capable of processing high-precision workpieces with diameters less than 2000mm. Additionally, we have 10 machining lathes for diameters exceeding 2000mm, specialized in heavy workpieces and large tube sheets. Our sophisticated setup includes 16 high-precision machining centers: 6 three-axis, 3 four-axis, 3 five-axis, 3 large gantry, and one expansive 2-meter horizontal machining center. This sophisticated array ensures every customer product is processed in-house, allowing us to meticulously control quality at every stage and meet the high-precision demands of our valued clients. Our formidable equipment configuration is designed to comprehensively address all product research and development needs, offering unmatched convenience and efficiency to our clients' innovative endeavors.
Our company employs a complete online ERP system, seamlessly integrating the workshop network from raw material intake to finished product exit. This achieves paperless production and guarantees data precision for every product. Simultaneously, this system enforces stringent quality control for each production phase and employs digital processes to manage every step, ensuring the quality of each stage meets the highest standards.
We pride ourselves on having independent laboratories, equipped with cutting-edge testing equipment, including fully automatic direct reading spectrometers, handheld spectrometers, spectral alloy analyzers, hydraulic universal testing machines, and pendulum impact testing machines, ensuring the highest standards of quality and reliability.