Long an Stainless Steel Pipe Fitting Welding Neck Flange with Customization Options

• 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 established in 2013 and is strategically located at No. 620 Mingzhu Road, Longwan District, Wenzhou City, Zhejiang Province, China. By capitalizing on the unparalleled local advantages of Wenzhou and relying on the convenient and efficient raw material supply from the renowned Qingshan Holdings Group, alongside our robust forging processes and machining capabilities, we have meticulously forged a comprehensive production system for Long'an flange.
The company currently boasts an impressive array of over a hundred CNC lathes capable of processing high-precision workpieces with diameters less than 2000mm. Additionally, we have 10 machining lathes handling diameters exceeding 2000mm, perfect for heavy workpieces and large tubesheets. Our state-of-the-art facility also features 16 high-precision machining centers, including 6 three-axis, 3 four-axis, 3 five-axis machining centers, 3 large gantry machining centers, and 1 expansive 2-meter horizontal machining center. This sophisticated setup ensures every customer product is crafted with precision within our factory, maintaining stringent quality control at each production stage, and meeting the high-precision requirements of our discerning clientele. Our powerful equipment configuration seamlessly supports all product research and development endeavors, offering the most convenient and efficient services for our customers' innovative product R&D.
Our company is equipped with a fully integrated online ERP system that intricately covers the workshop network—from raw material entry to finished product exit—achieving a paperless production environment and ensuring the utmost accuracy of data for each product. Simultaneously, this system enables meticulous quality control at every production stage, employing digital processes to govern each link of production, thereby ensuring that product quality consistently meets stringent requirements at every juncture.
The company also boasts independent laboratories, outfitted with a diverse array of testing equipment, including fully automatic direct reading spectrometers, handheld spectrometers, spectral alloy analyzers, hydraulic universal material testing machines, and pendulum impact testing machines.