Long an Quality Stainless Steel Flange Blind Flange for Pipes

• 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., founded in 2013, is strategically located at No. 620 Mingzhu Road, Longwan District, Wenzhou City, Zhejiang Province, China. Benefiting from the unrivaled local advantages of Wenzhou, we are bolstered by the convenient and efficient raw material supply from Qingshan Holdings Group. Coupled with our robust forging processes and precision machining capabilities, we have meticulously crafted a comprehensive production system for Long'an flanges.
Boasting an impressive arsenal of advanced machinery, the company currently operates over a hundred CNC lathes that skillfully process high-precision workpieces with diameters under 2000mm. Additionally, we maintain 10 machining lathes capable of handling diameters exceeding 2000mm, ideal for processing heavyweight workpieces and sizable tubesheets. Our facility is further enhanced by 16 high-precision machining centers, including 6 three-axis, 3 four-axis, 3 five-axis, 3 large gantry, and a 2-meter horizontal machining center. This sophisticated setup guarantees that every customer product is processed entirely within our premises, meticulously controlling quality at every step to ensure our products meet our customers’ exacting high-precision standards. This powerful equipment configuration fully supports all customer product research and development needs, delivering unparalleled convenience and efficiency for innovative product research and development.
Our company is equipped with a state-of-the-art online ERP system that covers the entire workshop network, from raw material entry to finished product exit, achieving seamless, paperless production while ensuring precise data accuracy for each product. Through this advanced system, we achieve stringent quality control at each production stage. The digital processes employed meticulously manage every production link, ensuring that product quality consistently meets the required standards at every stage.
Wenzhou Long'an Flange Co., Ltd. also boasts independent laboratories, furnished with a variety of testing equipment, including fully automatic direct-reading spectrometers, handheld spectrometers, spectral alloy analyzers, hydraulic universal material testing machines, and pendulum impact testing machines to ensure every product meets the stringent quality standards.