Long an Stainless Steel Pipe Fitting Socket Neck Welding 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. emerged in the vibrant industrial landscape in 2013, strategically situated at No. 620 Mingzhu Road, Longwan District, Wenzhou City, Zhejiang Province, China. Harnessing the unique regional strengths of Wenzhou, and backed by the seamless and efficient supply chain from Qingshan Holdings Group, our company has established a robust and comprehensive production framework. This framework flawlessly integrates an advanced forging process with superior machining capabilities, forming the backbone of Long'an flange's production excellence.
Our enterprise is equipped with an impressive array of over a hundred CNC lathes, expertly designed to handle high-precision workpieces with diameters under 2000mm. In addition, we boast 10 specialized machining lathes for heavy-duty workpieces and large tubesheets with diameters exceeding 2000mm. Enhancing our capabilities, we are furnished with 16 state-of-the-art high-precision machining centers, inclusive of 6 three-axis, 3 four-axis, 3 five-axis, 3 large gantry machining centers, and an exclusive 2-meter horizontal machining center. This formidable lineup ensures that every customer product is intricately processed within our premises, maintaining stringent quality control at each step, and guaranteeing our products meet the highest precision standards our clients expect. This outstanding equipment setup fully supports all product research and development initiatives, delivering the most convenient and efficient services for customer innovation and product development.
We operate a sophisticated online ERP system that seamlessly integrates across the entire workshop network, managing everything from raw material intake to finished product dispatch. This digital transition to paperless production ensures meticulous data accuracy for each product. Moreover, this system empowers us to maintain rigorous quality control at every production stage, employing digital processes to manage every link in production, thereby ensuring that product quality consistently meets the required standards at every stage.
Our company prides itself on having independent laboratories, fully equipped with a comprehensive suite of testing equipment. These include fully automatic direct reading spectrometers, handheld spectrometers, spectral alloy analyzers, hydraulic universal material testing machines, and pendulum impact testing machines. This advanced setup ensures the highest standards of quality and reliability for all our products.