Long an Stainless Steel Welding Neck Flange Customized Support OEM

• Customization: Available
• Standard: ANSI, DIN, GB, JIS, GOST, BSW
• Type: Slip on Flange
• Model NO.: Slip On
• Material: Stainless Steel
• Structure: Flanges
• Connection: Flanged
• 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

Founded in 2013, Wenzhou Long'an Flange Co., Ltd. is strategically located at No. 620 Mingzhu Road, Longwan District, Wenzhou City, Zhejiang Province, China. By capitalizing on Wenzhou's exceptional local advantages and the seamless and efficient raw material supply from Qingshan Holdings Group, coupled with our robust forging process and machining capabilities, we have meticulously crafted a comprehensive production system for Longan flange that stands out in the industry.
Our company proudly houses a fleet of over a hundred CNC lathes designed to process high-precision workpieces with diameters under 2000mm. Additionally, we are equipped with 10 machining lathes capable of handling diameters exceeding 2000mm, specifically for heavy workpieces and large tubesheets. Our facility is further enhanced with 16 high-precision machining centers, comprising 6 three-axis centers, 3 four-axis centers, 3 five-axis centers, 3 large gantry machining centers, and a singular 2-meter horizontal machining center. This sophisticated array of equipment ensures that every customer's product is processed within our factory premises, allowing us to meticulously manage quality control at every phase. Our powerful equipment configuration not only guarantees the high-precision standards required by our customers but also comprehensively fulfills all product research and development needs, delivering unparalleled convenience and efficiency for their innovative projects.
With a state-of-the-art online ERP system that intricately covers the entire workshop network—from raw material intake to the dispatch of finished products—our company achieves a paperless production environment that ensures precise data accuracy for every product. This advanced system facilitates comprehensive quality control at each stage of production, employing digital processes to meticulously oversee every facet. As a result, we consistently ensure that the quality of our products meets the highest standards at every link of the process.
Our company boasts independent laboratories equipped with an array of advanced testing equipment. This includes fully automatic direct reading spectrometers, handheld spectrometers, specialized alloy analyzers, hydraulic universal material testing machines, and pendulum impact testing machines. These cutting-edge tools are vital in maintaining the highest standards of quality control across all our production endeavors.