Long an Stainless Steel Flange Welding Neck Pipe Fitting with Robust Design

• 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

Wenzhou Long'an Flange Co., Ltd., founded in 2013, is strategically situated at No. 620 Mingzhu Road, Longwan District, Wenzhou City, Zhejiang Province, China. Harnessing the exceptional local advantages of Wenzhou and benefiting from the convenient and efficient supply of raw materials from Qingshan Holdings Group, along with our robust forging processes and machining capabilities, we have meticulously developed a comprehensive production system for Long'an flanges.
At present, our company proudly boasts a fleet of over a hundred CNC lathes designed to process high-precision workpieces with diameters up to 2000mm. Additionally, we have 10 specialized machining lathes for tackling heavy workpieces and substantial tubesheets beyond 2000mm in diameter. Our state-of-the-art facility is further enhanced by 16 high-precision machining centers, including 6 sophisticated three-axis machining centers, 3 cutting-edge four-axis machining centers, 3 advanced five-axis machining centers, 3 large-scale gantry machining centers, and an impressive 2-meter horizontal machining center. This ensures meticulous in-house processing of our customers' products, maintaining stringent control over each quality link and guaranteeing that every item meets the exacting high-precision standards demanded by our clientele. Our formidable equipment array seamlessly supports all product research and development needs, delivering unparalleled convenience and efficiency for innovative product creation.
Our company has implemented a comprehensive online ERP system that fully integrates with the workshop network, ensuring seamless transitions from raw material intake to finished product dispatch. This state-of-the-art paperless production system guarantees precise data accuracy for each product. Additionally, the system enforces rigorous quality control measures at every production stage, employing digital processes to meticulously manage each step, thereby ensuring that product quality at every juncture meets stringent criteria.
We are equipped with independent laboratories and a diverse range of testing equipment, including fully automatic direct-reading spectrometers, handheld spectrometers, spectral alloy analyzers, hydraulic universal material testing machines, and pendulum impact testing machines, all designed to uphold our commitment to superior quality assurance and innovation.