Durable Welding Neck Flange with Customized Plate Flanges Options

• Customization: Available
• Standard: ANSI, DIN, GB, JIS, GOST, BSW
• Type: Plate
• Model NO.: Plate flanges
• Material: Stainless Steel
• Structure: Flanges
• Connection: Plate
• 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., a shining beacon of innovation and precision engineering, has been a leader in crafting exceptional quality components since 2013. Nestled in the vibrant locale of No. 620 Mingzhu Road, Longwan District, Wenzhou City, Zhejiang Province, China, we take full advantage of Wenzhou's unique regional benefits. The seamless and efficient supply of raw materials from Qingshan Holdings Group allows us to maintain a robust and comprehensive production system for Longan flange. Our advanced forging processes and sophisticated machining capabilities distinguish us in the industry, empowering us to produce flanges that meet stringent global standards and expectations.
Armed with a formidable arsenal of over a hundred cutting-edge CNC lathes, Wenzhou Long'an Flange Co. excels in manufacturing high-precision workpieces with diameters reaching up to 2000mm, ensuring meticulous accuracy and quality. For larger, heavier workpieces and expansive tubesheets, our lineup includes 10 high-capacity machining lathes that accommodate diameters in excess of 2000mm. Our commitment to precision is further enhanced by 16 state-of-the-art high-precision machining centers, including 6 three-axis, 3 four-axis, 3 five-axis, 3 large gantry machining centers, and a powerful 2-meter horizontal machining center. This comprehensive suite of advanced equipment guarantees that every customer’s product is precisely refined within our facilities, allowing us to maintain rigorous quality control at every stage and meet the exacting demands of our discerning clientele. This impressive array of machinery supports all product research and development needs, providing unparalleled convenience and efficiency in the pursuit of innovative product creation.
Our company proudly features a state-of-the-art online ERP system that seamlessly integrates with our workshop network, from the entry of raw materials to the exit of finished products. This revolutionary system transforms our production process by enabling paperless operations while ensuring unparalleled data accuracy for every item we craft. Moreover, this sophisticated ERP system facilitates meticulous quality control at every stage of production, utilizing digital processes to oversee each step, thereby guaranteeing that product quality consistently aligns with our stringent standards and customer expectations.
Enhancing our production capabilities, we have developed independent laboratories replete with a diverse array of cutting-edge testing equipment. This includes fully automatic direct-reading spectrometers, handheld spectrometers, spectral alloy analyzers, hydraulic universal material testing machines, and pendulum impact testing machines. Each of these instruments underscores our unwavering commitment to precision, empowering us to uphold the highest levels of quality and reliability, and ensuring that our products consistently meet and exceed industry standards.