Long an Stainless Steel Blind Flange for Versatile Pipe Fitting

• 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 resides at No. 620 Mingzhu Road, Longwan District, Wenzhou City, Zhejiang Province, China. Harnessing the superior local advantages of Wenzhou, and bolstered by the convenient and efficient raw material supply from Qingshan Holdings Group, our company boasts a robust production system. With our strong forging processes and exceptional machining capabilities, we have crafted a complete production system dedicated to the excellence of Long'an flange.
Our company stands out with its impressive assembly of over a hundred CNC lathes, skilled in processing high-precision workpieces with diameters less than 2000mm. Additionally, we are equipped with 10 machining lathes for handling heavy workpieces and substantial tubesheets exceeding 2000mm in diameter. Our advanced infrastructure includes 16 high-precision machining centers, featuring 6 three-axis, 3 four-axis, 3 five-axis, and 3 large gantry machining centers, along with a 2-meter horizontal machining center. This formidable array ensures meticulous processing within our facility, allowing us to control quality at every stage and meet the stringent high-precision standards demanded by our clients. Our powerful equipment configuration comprehensively addresses all product research and development needs, delivering the most convenient and efficient services for our clients' innovative endeavors.
We are proud to operate a complete online ERP system that seamlessly integrates with our workshop network, covering from raw material entry to finished product exit. This digital transformation not only achieves a paperless production environment but also ensures data accuracy for each product. Through this state-of-the-art system, we maintain rigorous quality control at every production stage, using digital processes to guarantee that product quality consistently meets the highest standards across all links.
Our company further distinguishes itself with independent laboratories equipped with an array of advanced testing equipment. This includes fully automated direct reading spectrometers, handheld spectrometers, spectral alloy analyzers, hydraulic universal material testing machines, and pendulum impact testing machines. These facilities ensure rigorous quality assurance and testing capabilities.