Long an Premium Stainless Steel Flange Welding Neck 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

Wenzhou Long'an Flange Co., Ltd. was founded in 2013 and proudly resides at No. 620 Mingzhu Road, Longwan District, Wenzhou City, Zhejiang Province, China. By capitalizing on Wenzhou's superior local advantages and relying on the seamless and efficient raw material supply from Qingshan Holdings Group, combined with our formidable forging processes and machining capabilities, we have meticulously crafted a comprehensive production system for Long'an flange.
Boasting over a hundred CNC lathes, our company is fully equipped to process high-precision workpieces with diameters of up to 2000mm. Additionally, we have 10 machining lathes capable of handling heavy workpieces and large tubesheets with diameters exceeding 2000mm. Our facility is further enhanced by 16 high-precision machining centers, including 6 three-axis, 3 four-axis, 3 five-axis machining centers, 3 large gantry machining centers, and a 2-meter horizontal machining center. This extensive equipment lineup ensures that every customer's product is processed within our facilities, allowing us to maintain stringent quality control for each component and ensure that each product meets our customers' high-precision requirements. Our robust equipment configuration thoroughly supports all product research and development needs, providing the most convenient and efficient services for customers' innovative product development endeavors.
Our company employs a comprehensive online ERP system that fully integrates with our workshop network, from raw material intake to finished product dispatch, achieving a paperless production environment while ensuring data accuracy for each product. This system also facilitates quality control at every stage of production through digital processes, ensuring that product quality at each juncture aligns with specified requirements.
We pride ourselves on having independent laboratories equipped with a wide 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.