Long an Stainless Steel Flange Welding Neck Fitting with Tailored Solutions

• 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 Wenzhou's exceptional local advantages and the convenient, efficient raw material supply from the prestigious Qingshan Holdings Group, combined with our robust forging process and advanced machining capabilities, we have meticulously crafted a comprehensive production system for Longan flange.
The company currently boasts an impressive arsenal of over a hundred CNC lathes, adept at processing high-precision workpieces with diameters under 2000mm. We also possess 10 machining lathes designed for handling heavy workpieces and large tubesheets with diameters exceeding 2000mm. Furthermore, our company is equipped with 16 state-of-the-art high-precision machining centers, including 6 three-axis, 3 four-axis, 3 five-axis machining centers, 3 large-scale gantry machining centers, and a 2-meter horizontal machining center. This ensures that every product for our discerning clientele is meticulously processed within our factory, allowing for unparalleled quality control at each stage and guaranteeing that every product meets the stringent high-precision specifications demanded by our customers. Our powerful equipment configuration thoroughly satisfies all product research and development needs, providing the utmost convenience and efficiency for innovative product development.
The company boasts a sophisticated, comprehensive online ERP system that seamlessly integrates throughout the workshop network, from raw material intake to finished product dispatch, achieving a paperless production environment and ensuring unparalleled data accuracy for each product. Simultaneously, this system enables meticulous quality control at every production stage, employing digital processes to manage each production link, thereby guaranteeing that product quality at every juncture adheres flawlessly to prescribed standards.
The company also features independent laboratories, outfitted with an array of cutting-edge testing equipment, including fully automatic direct reading spectrometers, handheld spectrometers, spectral alloy analyzers, hydraulic universal material testing machines, and pendulum impact testing machines, ensuring rigorous evaluation and quality assurance.