Customized Long an Welding Neck Flange Stainless Steel Pipe Fitting

• 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

Established in 2013, Wenzhou Long'an Flange Co., Ltd. is strategically located at No. 620 Mingzhu Road, Longwan District, Wenzhou City, Zhejiang Province, China. Benefiting from Wenzhou's exceptional geographic advantages, and supported by the efficient and reliable raw material supply from Qingshan Holdings Group, we have developed a comprehensive production system for Long'an flange. Our potent combination of robust forging techniques and sophisticated machining capabilities ensures unparalleled quality and efficiency.
Currently, the company boasts an impressive fleet of over a hundred CNC lathes capable of processing high-precision workpieces with diameters under 2000mm. Additionally, we operate 10 advanced machining lathes designed for handling heavy workpieces and large tubesheets exceeding 2000mm in diameter. We further complement these capabilities with 16 state-of-the-art high-precision machining centers, which include 6 three-axis, 3 four-axis, 3 five-axis, 3 large gantry machining centers, and a singular 2-meter horizontal machining center. This comprehensive equipment lineup allows us to process every customer product within our facilities, meticulously controlling quality at every stage to meet the most stringent precision standards. Our formidable equipment configuration caters to all research and development needs, offering the most convenient and efficient services for clients' innovative product advancements.
Our company integrates a sophisticated online ERP system, seamlessly covering the entire workshop network from raw material intake to finished product shipping. This digital, paperless production system ensures precise data accuracy for every product. Simultaneously, it enables meticulous quality control at every production stage, utilizing digital processes to maintain stringent quality standards. This ensures that product quality meets all specifications at each step.
Our facilities include independent laboratories equipped with a variety of cutting-edge testing instruments. These include fully automatic direct reading spectrometers, handheld spectrometers, spectro-alloy analyzers, hydraulic universal material testing machines, and pendulum impact testing machines. This extensive range of equipment supports our rigorous testing and quality assurance protocols.