Long an Stainless Steel Flange Welding Neck Fitting with One-Year Warranty

• 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 conveniently located at No. 620 Mingzhu Road, Longwan District, Wenzhou City, Zhejiang Province, China. By harnessing Wenzhou's exceptional local advantages and utilizing the reliable and efficient raw material supply from Qingshan Holdings Group, combined with our robust forging and machining capabilities, we have developed a comprehensive production system for Long'an flange.
The company currently boasts over a hundred CNC lathes capable of processing high-precision workpieces with diameters under 2000mm. Additionally, we have 10 machining lathes for handling heavy workpieces and large tubesheets exceeding 2000mm in diameter. Our facility also includes 16 state-of-the-art high-precision machining centers, comprising 6 three-axis machining centers, 3 four-axis machining centers, 3 five-axis machining centers, 3 large gantry machining centers, and 1 two-meter horizontal machining center. These ensure every customer's product is processed on-site, allowing us to meticulously control quality at every stage and guarantee that each product meets our customers' stringent high-precision requirements. This powerful equipment lineup fully addresses all R&D needs, providing the most convenient and efficient services for innovative product research and development.
Our company operates a comprehensive online ERP system that spans the entire workshop network, from raw material intake to the finished product exit. This system enables paperless production and ensures data accuracy for each product. Simultaneously, it facilitates quality control at every production stage, using digital processes to manage each link, thus ensuring that the quality at every step meets the required standards.
The company has its own 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, to ensure precision and reliability in all our products.