Long an Stainless Steel Flange Welding Neck Fitting for Seamless Integration

• 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

Wenzhou Long'an Flange Co., Ltd. was founded in 2013 and is strategically located at No. 620 Mingzhu Road, Longwan District, Shenzhou City, Zhejiang Province, China. By capitalizing on Wenzhou's exceptional local advantages and the convenient, efficient raw material supply from Qingshan Holdings Group, coupled with our robust forging processes and superior machining capabilities, we have developed a comprehensive and streamlined production system for Long'an Flange.
Presently, the company operates with a fleet of over a hundred CNC lathes, adept at processing high-precision workpieces with diameters less than 2000mm. Additionally, we boast 10 machining lathes with diameters exceeding 2000mm, crafted particularly for handling heavy workpieces and large tubesheets. Our state-of-the-art facility is further enhanced with 16 high-precision machining centers, including 6 three-axis machining centers, 3 four-axis machining centers, 3 five-axis machining centers, 3 large gantry machining centers, and a 2-meter horizontal machining center. This ensures each customer product is meticulously processed in-house, allowing us to maintain stringent quality control over each stage, thereby guaranteeing that every product meets our customers' high-precision requirements. This powerful and comprehensive equipment setup thoroughly accommodates all customer needs for product research and development, offering the most convenient and efficient solutions for innovative product design and creation.
The company operates a complete online ERP system, which fully integrates the workshop network, from raw material entry to finished product dispatch, thereby achieving a paperless production process and ensuring data accuracy for every product. Concurrently, this system facilitates quality control at every stage of production, employing digital processes to monitor each phase, ensuring that product quality at every juncture adheres to the established requirements.
Our company is equipped with independent laboratories and a wide range of advanced testing equipment, including fully automatic direct reading spectrometers, handheld spectrometers, spectral alloy analyzers, hydraulic universal material testing machines, and pendulum impact testing machines. This comprehensive suite of testing capabilities ensures that every aspect of our product quality is meticulously analyzed and controlled.