Long an High-Quality Stainless Steel Blind Flange for Fitting Needs

• 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. was proudly established in 2013 and is strategically nestled at No. 620 Mingzhu Road, Longwan District, Shenzhou City, Zhejiang Province, China. By harnessing Wenzhou's unparalleled local advantages and relying on the seamless and efficient raw material supply from the renowned Qingshan Holdings Group, coupled with our robust forging process and machining capabilities, we have meticulously crafted a comprehensive production system for Long'an flange.
The company currently boasts a fleet of over a hundred cutting-edge CNC lathes, ingeniously capable of processing high-precision workpieces with diameters under 2000mm. Additionally, we have equipped ourselves with 10 formidable machining lathes for handling heavy workpieces and expansive tubesheets. To further enhance our capabilities, we have integrated 16 high-precision machining centers, including 6 three-axis machining centers, 3 four-axis machining centers, 3 five-axis machining centers, 3 large gantry machining centers, and a remarkable 2-meter horizontal machining center. This ensures that every client's product is expertly processed within our factory premises, maintaining stringent quality control for each link. This powerful equipment configuration fully satisfies all product research and development demands of our esteemed clients, delivering the most accessible and efficient services for their innovative product research and development endeavors.
Our company is equipped with a comprehensive online ERP system that seamlessly integrates the workshop network—from raw material entry to finished product exit—achieving a truly paperless production environment and ensuring the accuracy of data for each product. Simultaneously, this system facilitates quality control for every production stage, employing digital processes to monitor each production link, thus ensuring that product quality at every stage meets stringent requirements.
Our company prides itself on having independent laboratories, furnished with a diverse array of testing equipment, including fully automatic direct reading spectrometers, handheld spectrometers, spectral alloy analyzers, hydraulic universal material testing machines, and pendulum impact testing machines. This ensures rigorous quality assessment and exceptional product reliability.