Long an Stainless Steel Flange Blind Flange for Heavy-Duty Use

• Customization: Available
• Standard: ANSI, DIN, GB, JIS, GOST, BSW
• Type: Blind Flange
• Model NO.: Blind
• Material: Stainless Steel
• Structure: Flanges
• Connection: Blind Flange
• Sealing Surface: FF
• 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

Established in 2013, Wenzhou Long'an Flange Co., Ltd. is strategically located at No. 620 Mingzhu Road, Longwan District, Shenzhou City, Zhejiang Province, China. Taking full advantage of Wenzhou's exceptional local benefits and leveraging the convenient and efficient raw material supply from Qingshan Holdings Group, we have built a robust production system for Longan flange. Our strong forging processes and sophisticated machining capabilities combine seamlessly to ensure unparalleled production quality and efficiency.
Our company boasts over a hundred CNC lathes designed for precision engineering of workpieces up to 2000mm in diameter. In addition, we have 10 machining lathes for larger heavy workpieces and tubesheets, ensuring versatility and capacity. With 16 high-precision machining centers, including six state-of-the-art three-axis, three four-axis, three five-axis, three large gantry machining centers, and a sophisticated 2-meter horizontal machining center, we guarantee that every product is meticulously crafted within our factory. This comprehensive equipment lineup ensures we meet the high-precision standards demanded by our clients. Our powerful equipment configuration fulfills all product research and development needs, offering unparalleled convenience and efficiency for innovative product development.
Our cutting-edge online ERP system fully integrates the workshop network from raw material intake to finished product dispatch, achieving seamless paperless production and ensuring precise data accuracy for every product. With this system, we maintain rigorous quality control across all production stages, utilizing digital processes to manage each link effectively. This ensures the consistent quality of every product meets stringent requirements at each stage of production.
Equipped with independent laboratories, our company is well-furnished with a range of advanced testing equipment. This includes fully automatic direct reading spectrometers, handheld spectrometers, spectral alloy analyzers, hydraulic universal material testing machines, and pendulum impact testing machines, ensuring comprehensive testing and quality assurance for our products.