Long an Stainless Steel Flange Welding Neck Pipe Fitting for Optimal Efficiency

• 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., an esteemed enterprise, was founded in 2013 and is ideally situated at No. 620 Mingzhu Road, Longwan District, Wenzhou City, Zhejiang Province, China. By strategically utilizing Wenzhou's outstanding local advantages and the efficient raw material supply chain of Qingshan Holdings Group, coupled with our robust forging process and machining capabilities, we have meticulously crafted an integrated production system for Longan flange, ensuring unparalleled quality and efficiency.
Our company currently boasts an impressive array of over a hundred CNC lathes, capable of processing high-precision workpieces with diameters under 2000mm. Additionally, we possess 10 machining lathes with diameters exceeding 2000mm, designed for handling heavy workpieces and large tubesheets. We have also outfitted 16 high-precision machining centers, including 6 three-axis machining centers, 3 four-axis machining centers, 3 five-axis machining centers, 3 large gantry machining centers, and 1 expansive 2-meter horizontal machining center. This ensures every customer product is meticulously processed within our facility, maintaining stringent quality control at each phase, and guaranteeing that every product meets the high-precision standards expected by our discerning clients. Our formidable equipment setup comprehensively addresses all research and development needs, delivering the utmost convenience and efficiency for customers' innovative product development.
Our enterprise employs a sophisticated online ERP system that seamlessly integrates across the workshop network, from raw material intake to finished product dispatch, achieving a paperless production environment and ensuring precise data accuracy for each product. Concurrently, this system facilitates quality control at every production stage, utilizing digital processes to manage each production link, thereby ensuring product quality at every juncture aligns with stringent standards.
In addition, our company is equipped with state-of-the-art laboratories and a suite of advanced testing equipment, including fully automatic direct reading spectrometers, handheld spectrometers, spectral alloy analyzers, hydraulic universal material testing machines, and pendulum impact testing machines.