Long an Stainless Steel Pipe Fitting Welding Neck Flange for Reliable Service

• Customization: Available
• Standard: ANSI, DIN, GB, JIS, GOST
• Type: Welding Flange
• Model NO.: WN flanges
• Material: Stainless Steel
• Structure: Flanges
• Connection: Welding
• Sealing Surface: RF
• 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

Established in the vibrant year of 2013, Wenzhou Long'an Flange Co., Ltd. is strategically nestled at No. 620 Mingzhu Road, Longwan District, Shenzhou City, Zhejiang Province, China. Our company capitalizes on Wenzhou's exceptional regional advantages, benefiting from the streamlined and efficient raw material supply chain of Qingshan Holdings Group. By merging these advantages with our robust forging processes and superior machining capabilities, we have crafted a comprehensive production system for Long'an flange, securing our place as a leader in the industry.
Presently, the company boasts an impressive fleet of over a hundred CNC lathes capable of processing high-precision workpieces with diameters under 2000mm. Additionally, we operate 10 state-of-the-art machining lathes that handle diameters exceeding 2000mm, designed specifically for heavy workpieces and expansive tubesheets. Enhancing our capabilities further, we've invested in 16 ultra-precise machining centers, which include 6 three-axis, 3 four-axis, 3 five-axis, 3 large gantry, and 1 two-meter horizontal machining center. This array ensures comprehensive processing of every customer product within our facilities, allowing us to meticulously control quality at every stage and meet the exacting precision requirements of our clientele. This formidable array of equipment not only fulfills all customer research and development demands but also delivers unparalleled convenience and efficiency for innovative product ventures.
Our company proudly operates a sophisticated online ERP system that seamlessly integrates with the workshop network, from initial raw material intake to final product dispatch. This system facilitates a paperless production environment, guaranteeing the precision of data for each product. Moreover, it enables stringent quality control at every stage of production. Employing digital processes ensures that product quality at each phase aligns perfectly with the highest standards expected by our customers.
To uphold our commitment to excellence, the company features advanced independent laboratories equipped with an array of testing apparatus. This includes fully-automatic direct reading spectrometers, portable spectrometers, spectral alloy analyzers, hydraulic universal material testing machines, and pendulum impact testing machines. These tools ensure the highest standards in product testing and quality assurance.