Versatile Long an Stainless Steel Pipe Fitting Welding Neck Flange

• 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., founded in 2013, is strategically situated at No. 620 Mingzhu Road, Longwan District, Wenzhou City, Zhejiang Province, China. Capitalizing on Wenzhou's superior local advantages, and relying on the convenient and efficient raw material supply from Qingshan Holdings Group, we have seamlessly integrated robust forging processes and advanced machining capabilities to craft a comprehensive production system for Long'an flange.
The company boasts an impressive array of over a hundred CNC lathes, adept at processing high-precision workpieces with diameters under 2000mm. We also feature 10 machining lathes for larger tasks, handling heavy workpieces and sizable tubesheets. Our facility is equipped with 16 high-precision machining centers, comprising 6 three-axis, 3 four-axis, 3 five-axis, 3 large gantry centers, and a 2-meter horizontal machining center. This setup guarantees that every customer product is meticulously processed onsite, ensuring top-tier quality control at each stage to meet the high-precision demands of our clientele. Our powerful equipment configuration addresses all product research and development needs, providing unparalleled convenience and efficiency for innovative product endeavors.
Our company employs a comprehensive online ERP system that spans the entire workshop network, from raw material intake to product dispatch. This facilitates paperless production and ensures data precision for every item. Concurrently, the system enables quality control at every production step, utilizing digital processes to manage each phase, thus guaranteeing that product quality meets requisite standards at every link of the process.
We also maintain independent laboratories, fully equipped with a variety of testing instruments. These include fully automatic direct reading spectrometers, handheld spectrometers, spectral alloy analyzers, hydraulic universal material testing machines, and pendulum impact testing machines, ensuring rigorous assessment and quality assurance.