Long an Stainless Steel Pipe Fitting Welding Neck Flange for Safe Connections

• 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 located at No. 620 Mingzhu Road, Longwan District, Wenzhou City, Zhejiang Province, China. Capitalizing on Wenzhou's superior local advantages and leveraging the convenient and efficient raw material supply from Qingshan Holdings Group, complemented by its robust forging processes and advanced machining capabilities, we have meticulously crafted a comprehensive production system for the renowned Longan flange.
Currently, our company proudly operates over a hundred state-of-the-art CNC lathes capable of processing high-precision workpieces with diameters under 2000mm. In addition, we boast 10 specialized machining lathes with diameters exceeding 2000mm, expertly designed for handling heavy workpieces and large tube sheets. To uphold our commitment to precision, we have equipped our facilities with 16 high-precision machining centers, comprising 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 formidable suite of equipment ensures that every customer product is meticulously processed within our factory, maintaining stringent quality control at every stage of production, and guaranteeing that each product meets the exacting precision requirements of our valued clientele. Our comprehensive equipment configuration addresses all product research and development needs, offering unparalleled convenience and efficiency for innovative product design and development.
Our company boasts a sophisticated online ERP system that seamlessly integrates with our workshop network, spanning from raw material entry to finished product dispatch. This system achieves paperless production and ensures data accuracy for every product. Simultaneously, it facilitates rigorous quality control at every stage of production, utilizing digital processes to oversee each link, ensuring that product quality at every stage meets the stringent requirements.
The company also features independent laboratories equipped with a diverse range of testing equipment, including fully automated direct reading spectrometers, handheld spectrometers, spectral alloy analyzers, hydraulic universal material testing machines, and pendulum impact testing machines. These resources underscore our commitment to quality and precision.