Long an Stainless Steel Flange Welding Neck Pipe Fitting with Custom Features

• 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., proudly established in 2013, is strategically located at No. 620 Mingzhu Road, Longwan District, Wenzhou City, Zhejiang Province, China. By harnessing Wenzhou's unparalleled local advantages and relying on the convenient and efficient raw material supply from Qingshan Holdings Group, coupled with our robust forging process and machining capabilities, we have meticulously crafted a comprehensive production system for Long'an Flange.
Currently, our company boasts a fleet of over a hundred CNC lathes, adept at processing high-precision workpieces with diameters less than 2000mm. Additionally, we have 10 machining lathes designed for handling heavy workpieces and large tubesheets with diameters exceeding 2000mm. Our advanced infrastructure includes 16 high-precision machining centers: 6 three-axis, 3 four-axis, 3 five-axis, 3 large gantry machining centers, and 1 expansive 2-meter horizontal machining center. These facilities ensure that all products for our esteemed customers are crafted within our factory, allowing us to meticulously monitor and control quality at each stage, meeting the high-precision demands of our clientele. This formidable array of equipment comprehensively addresses all product research and development requirements, providing the most seamless and efficient services for innovative production endeavors.
Our company employs a sophisticated, comprehensive online ERP system that fully integrates our workshop network, from raw material entry to finished product dispatch, achieving a paperless production environment and ensuring data accuracy for each product. Simultaneously, this system facilitates rigorous quality control at every production stage, utilizing digital processes to manage each production link, thereby guaranteeing that product quality consistently meets stringent standards at every step.
In addition, Wenzhou Long'an Flange Co., Ltd. is equipped with state-of-the-art independent laboratories and a variety of testing equipment, including fully automatic direct-reading spectrometers, handheld spectrometers, spectral alloy analyzers, hydraulic universal material testing machines, and pendulum impact testing machines, ensuring the utmost precision and reliability in our testing procedures.