Long an Stainless Steel Flange Welding Neck Pipe Fitting for Diverse Industries

• 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. By harnessing Wenzhou's exceptional local advantages and leveraging the seamless, efficient raw material supply from Qingshan Holdings Group, combined with our robust forging processes and machining prowess, we have meticulously crafted a comprehensive production system for Long'an flange.
Presently, the company boasts over a hundred CNC lathes capable of processing high-precision workpieces with diameters under 2000mm. Additionally, it operates 10 machining lathes with diameters exceeding 2000mm for heavy workpieces and large tubesheets. Our facility is further enhanced with 16 high-precision machining centers, including 6 three-axis, 3 four-axis, 3 five-axis machining centers, 3 large gantry machining centers, and 1 expansive 2-meter horizontal machining center. This ensures that every customer's product is processed on-site, allowing us to maintain meticulous quality control at every stage and meet the high-precision demands of our clientele. The formidable equipment configuration comprehensively fulfills all customer product research and development needs, offering the utmost convenience and efficiency for their innovative endeavors.
Our company utilizes a sophisticated online ERP system that thoroughly integrates with the workshop network, from raw material entry to finished product dispatch, achieving a paperless production environment and ensuring precise data accuracy for every item. Concurrently, this system facilitates quality control at each production stage, employing digital processes to oversee every aspect, thereby ensuring product quality compliance with stringent standards.
In addition, the company is equipped with independent laboratories featuring a range of testing equipment, including fully automatic direct-read spectrometers, handheld spectrometers, spectral alloy analyzers, hydraulic universal material testing machines, and pendulum impact testing machines.