Reliable Stainless Steel Blind Flange for Pipe Fitting Applications

• 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

Wenzhou Long'an Flange Co., Ltd., established in 2013, proudly stands at the strategic location of No. 620 Mingzhu Road, Longwan District, Wenzhou City, Zhejiang Province, China. By harnessing the exceptional local advantages of Wenzhou and leveraging the streamlined and efficient raw material supply from Qingshan Holdings Group, we have perfected a robust production system for Long'an Flange. With our strong forging processes and cutting-edge machining capabilities, we are paving the way for innovation and excellence in the flange industry.
Boasting an impressive array of over a hundred CNC lathes, Wenzhou Long'an Flange Co., Ltd. is capable of crafting high-precision workpieces with diameters under 2000mm. We further enhance our capabilities with 10 machining lathes designed for heavy workpieces and expansive tubesheets with diameters exceeding 2000mm. Our state-of-the-art facility houses 16 high-precision machining centers, including 6 three-axis, 3 four-axis, 3 five-axis, 3 expansive gantry machining centers, and a 2-meter horizontal machining center. This powerful equipment lineup ensures that every customer product, meticulously processed within our premises, achieves the utmost quality. We are dedicated to meeting the precise requirements of our clients, offering comprehensive product research and development solutions that empower your innovative pursuits with unmatched convenience and efficiency.
Harnessing the power of technology, our company employs a comprehensive online ERP system that seamlessly integrates with our workshop network—from raw material intake to the exit of finished products. Achieving a paperless production environment, we ensure the precision of data for each product, while maintaining stringent quality control at every stage. Through our digital processes, every production link is meticulously managed, ensuring that each stage meets the high-quality standards we uphold, delivering excellence and precision in every product delivered to our esteemed customers.
Our company takes pride in its state-of-the-art independent laboratories, equipped with an extensive range of testing equipment to guarantee product integrity and performance. This includes fully automatic direct reading spectrometers, portable spectrometers, sophisticated spectral alloy analyzers, hydraulic universal material testing machines, and pendulum impact testing machines. This advanced testing infrastructure underscores our commitment to the highest standards of quality assurance and product reliability.