Long an Stainless Steel Flange Welding Neck Fitting with Comprehensive 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 founded in 2013 and is strategically situated at No. 620 Mingzhu Road, Longwan District, Wenzhou City, Zhejiang Province, China. Benefiting immensely from Wenzhou's exceptional local advantages and supported by the seamless and efficient raw material supply from Qingshan Holdings Group, we have meticulously crafted a comprehensive production system for Long'an Flange. Our robust forging processes, coupled with superior machining capabilities, ensure excellence and precision, making us a distinguished leader in the industry.
Currently, our company boasts an impressive arsenal of over a hundred CNC lathes, capable of processing high-precision workpieces with diameters up to 2000mm. Additionally, we operate 10 specialized machining lathes catering to diameters exceeding 2000mm, ideal for handling heavy workpieces and extensive tubesheets. To further elevate our manufacturing prowess, we have invested in 16 high-precision machining centers, including 6 three-axis, 3 four-axis, 3 five-axis, 3 large gantry, and 1 expansive 2-meter horizontal machining center. This advanced machinery ensures in-house processing for all customer products, meticulously controlling quality at every stage to meet the highest precision standards demanded by our clientele. Our formidable equipment setup fully accommodates all customer product research and development aspirations, delivering unmatched convenience and efficiency in fostering innovative product development.
Our enterprise operates a comprehensive online ERP system that seamlessly integrates the entire workshop network, from raw material intake to finished product dispatch. This state-of-the-art system facilitates paperless production, guaranteeing data accuracy for each item. Simultaneously, it empowers quality control at every stage, utilizing digital processes to meticulously regulate each production phase and ensure that product quality consistently meets stringent criteria at every juncture.
In addition to our manufacturing capabilities, we possess independent laboratories equipped with an array of testing equipment. Our facilities include fully automatic direct-reading spectrometers, handheld spectrometers, spectral alloy analyzers, hydraulic universal material testing machines, and pendulum impact testing machines. This extensive array of sophisticated testing tools positions us to uphold the highest standards of quality assurance.