Long an Innovative Stainless Steel Flange Socket Welding Pipe 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. was founded in 2013 and is strategically located at No. 620 Mingzhu Road, Longwan District, Wenzhou City, Zhejiang Province, China. By taking full advantage of Wenzhou's exceptional local resources and the efficient and reliable raw material supply from Qingshan Holdings Group, combined with our robust forging techniques and precision machining capabilities, we have developed a comprehensive production system for Longan flanges.
The company boasts a formidable fleet of over 100 CNC lathes capable of processing high-precision workpieces with diameters less than 2000mm. Additionally, we operate 10 specialized lathes for processing heavy workpieces and expansive tubesheets with diameters exceeding 2000mm. Our state-of-the-art facilities feature 16 high-precision machining centers, including 6 three-axis, 3 four-axis, 3 five-axis, 3 large gantry, and a 2-meter horizontal machining center, ensuring each client's product is meticulously crafted within our factory. This allows us to maintain stringent quality control at every stage, ensuring each product meets our customers' high-precision standards. Our powerful equipment suite comprehensively supports all customer product research and development needs, delivering unparalleled convenience and efficiency for their innovative projects.
Our company utilizes a comprehensive online ERP system that seamlessly integrates with our workshop network, covering the entire production process—from raw material intake to finished product dispatch. This paperless production system ensures data accuracy for each product while facilitating stringent quality control at every stage. By leveraging digital processes, we meticulously oversee each step of production to guarantee that the quality at every stage satisfies stringent requirements.
Our company is equipped with independent laboratories and an array of testing equipment, including fully automated direct-read spectrometers, handheld spectrometers, specialized alloy analyzers, hydraulic universal material testing machines, and pendulum impact testing machines. These facilities enable us to conduct rigorous testing and quality assurance.