Long an Guaranteed Quality Stainless Steel Socket Neck Flanges

• Customization: Available
• Standard: ANSI, DIN, GB, JIS, GOST, BSW
• Type: Socket Welding Flange
• Model NO.: Socket welding
• 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., gracefully established in 2013, is strategically situated at No. 620 Mingzhu Road, Longwan District, Wenzhou City, Zhejiang Province, China. By harnessing Wenzhou's unparalleled local advantages and relying on the proficient and efficient raw material supply of Qingshan Holdings Group, we seamlessly blend robust forging processes with advanced machining capabilities. This synergy has enabled us to craft a sophisticated and comprehensive production system for Long'an flanges, ensuring superior quality and precision.
Currently, the company boasts an impressive assembly of over a hundred CNC lathes, adept at processing high-precision workpieces with diameters under 2000mm. Furthermore, we feature 10 exceptional machining lathes with diameters exceeding 2000mm, specifically designed for handling heavy workpieces and large tubesheets. Our cutting-edge facility is further enhanced with 16 high-precision machining centers, comprising 6 three-axis, 3 four-axis, 3 five-axis machining centers, 3 expansive gantry machining centers, and 1 sophisticated 2-meter horizontal machining center. This elite configuration guarantees that every product for our esteemed customers is meticulously processed within our factory premises, ensuring rigorous quality control at each stage and meeting the exacting high-precision requirements. Our powerful equipment configuration thoroughly fulfills all product research and development needs, offering the most convenient and efficient services to fuel your innovative product endeavors.
Our company has implemented a comprehensive online ERP system that seamlessly integrates with the workshop network, from raw material entry to finished product departure. This state-of-the-art system facilitates a paperless production environment, ensuring pinpoint accuracy of data for each product. Concurrently, this system allows for meticulous quality control at every production stage, employing digital processes to manage each link of production meticulously. This ensures that the quality of the product in each stage aligns with the stringent requirements, delivering unparalleled excellence and reliability.
Our company is proud to feature independent laboratories, fully equipped with a diverse array of testing equipment. This includes fully automatic direct-reading spectrometers, handheld spectrometers, advanced spectral alloy analyzers, hydraulic universal material testing machines, and pendulum impact testing machines. This comprehensive suite of testing tools guarantees precision and reliability in quality assessments, contributing to our unwavering commitment to excellence in every product we deliver.