High-Quality Stainless Steel Blind Flange Pipe Fitting by Long an

• 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. began its illustrious journey in 2013, strategically situated at No. 620 Mingzhu Road, Longwan District, Wenzhou City, Zhejiang Province, China. Capitalizing on Wenzhou's unparalleled local advantages and the convenient, efficient supply of raw materials from Qingshan Holdings Group, we have established an exceptional production system for Long'an flange. Our robust forging processes and superior machining capabilities have allowed us to cultivate a seamless, integrated production network.
Boasting over a hundred advanced CNC lathes, Wenzhou Long'an Flange Co., Ltd. expertly processes high-precision workpieces with diameters under 2000mm, complemented by 10 specialized lathes for pieces exceeding 2000mm, ideal for heavy-duty workpieces and expansive tubesheets. Our facility is further enhanced by 16 high-precision machining centers, including 6 state-of-the-art three-axis, 3 four-axis, 3 five-axis, 3 large gantry centers, and a 2-meter horizontal machining center. This formidable array ensures every piece crafted within our facility meets stringent quality standards. Our powerful equipment suite comprehensively fulfills all customer R&D needs, providing unparalleled, efficient services to support innovative product development.
Our cutting-edge online ERP system comprehensively integrates our workshop operations, from raw material intake to the final product dispatch. This digital transformation facilitates a paperless production environment and guarantees data precision at every stage. Through this advanced system, we implement rigorous quality control protocols across each production phase, ensuring that the quality standards are consistently met throughout the production cycle.
Our state-of-the-art laboratories, equipped with an array of meticulous testing equipment, underscore our commitment to quality. We employ fully automatic direct-reading spectrometers, handheld spectrometers, spectral alloy analyzers, hydraulic universal material testing machines, and pendulum impact testing machines, all designed to ensure our products meet the highest standards of excellence.