Long an Stainless Steel Flange Welding Neck Pipe Fitting for All Applications

• 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 nestled at No. 620 Mingzhu Road, Longwan District, Shenzhou City, Zhejiang Province, China. By capitalizing on the superior local benefits of Wenzhou, and tapping into the convenient and efficient raw material supply from Qingshan Holdings Group, combined with our robust forging process and machining prowess, we have meticulously crafted a comprehensive production system for Long'an flange.
Our company currently boasts an impressive array of over a hundred CNC lathes, adept at processing high-precision workpieces with diameters below 2000mm. We also feature 10 specialized machining lathes for handling workpieces and large tubesheets with diameters exceeding 2000mm. To further enhance our capabilities, we are equipped with 16 high-precision machining centers, including 6 three-axis machining centers, 3 four-axis machining centers, 3 five-axis machining centers, 3 expansive gantry machining centers, and 1 two-meter horizontal machining center. This ensures that our clients' every product is processed within our factory premises, maintaining stringent quality control at each stage, and guaranteeing that each product meets the exacting high-precision standards demanded by our esteemed customers. Our powerful equipment configuration is designed to fully support all product research and development needs, offering the most convenient and efficient services to bolster our clients' innovative product research and development.
Our company employs a state-of-the-art online ERP system that comprehensively covers the entire workshop network, from the entry of raw materials to the exit of finished products, achieving a seamless paperless production process and ensuring the utmost accuracy of data for each product. Simultaneously, this advanced system facilitates quality control at every stage of production, with digital processes governing each link, thereby ensuring that product quality at every step meets and exceeds the necessary standards.
We take pride in our independent laboratories, which are lavishly outfitted with a wide array of testing equipment. This includes fully automatic direct reading spectrometers, handheld spectrometers, spectral alloy analyzers, hydraulic universal material testing machines, and pendulum impact testing machines, ensuring rigorous and precise testing capabilities.