High-Quality Stainless Steel Flange Blind Flange for Pipe 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

Wenzhou Long'an Flange Co., Ltd., founded in 2013, is strategically located at No. 620 Mingzhu Road, Longwan District, Wenzhou City, Zhejiang Province, China. Capitalizing on Wenzhou's exceptional local advantages and the seamless, efficient raw material supply from Qingshan Holdings Group, we have developed an unparalleled production system for Long'an Flange, built on a foundation of strong forging processes and advanced machining capabilities.
Our company boasts a fleet of over 100 CNC lathes, adept at processing high-precision workpieces with diameters under 2000mm. Additionally, we operate 10 machining lathes for heavy workpieces and large tubesheets exceeding 2000mm in diameter. We further enhance our capabilities with 16 high-precision machining centers, including 6 three-axis, 3 four-axis, 3 five-axis machining centers, 3 large gantry machining centers, and a 2-meter horizontal machining center. This robust equipment array ensures we manage the complete production process within our facility, meticulously controlling quality at every stage to meet the stringent high-precision demands of our clients. Our comprehensive equipment setup addresses all customer product research and development requirements, offering the most convenient and efficient services for their innovative pursuits.
Our company operates a comprehensive online ERP system, seamlessly integrating the entire workshop network from raw material entry to finished product exit. This system facilitates paperless production, ensuring data accuracy for every product. Through this streamlined process, we maintain stringent quality control at each production step, employing digital processes to guarantee that the quality standards of each product stage are consistently met.
We are equipped with independent laboratories featuring a broad spectrum 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 extensive array of tools underscores our commitment to delivering excellence in product quality and innovation.