Long an Heavy-Duty Stainless Steel Socket Welding Flanges for Pipes

• Customization: Available
• Standard: ANSI, DIN, GB, JIS, GOST, BSW
• Type: Socket Welding Flange
• Model NO.: Socket welding
• 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 2013, Wenzhou Long'an Flange Co., Ltd. is strategically located at No. 620 Mingzhu Road, Longwan District, Wenzhou City, Zhejiang Province, China. Capitalizing on the superior local advantages of Wenzhou and the convenient, efficient raw material supply from Qingshan Holdings Group, our company has crafted a robust production system for Long'an Flanges. Our strong forging processes, paired with advanced machining capabilities, ensure that we deliver excellence in every aspect of our production.
Our company boasts over a hundred CNC lathes capable of processing high-precision workpieces under 2000mm in diameter. We are also equipped with ten machining lathes for heavy workpieces and large tubesheets exceeding 2000mm. To meet the exacting demands of our customers, we have 16 high-precision machining centers, including six three-axis, three four-axis, three five-axis, three large gantry machining centers, and a 2-meter horizontal machining center. This powerful equipment configuration allows us to comprehensively handle all research and development needs, ensuring that every product is meticulously processed within our facilities. We guarantee top-notch quality control for each link, delivering unparalleled precision and convenience for our customers' innovative projects.
Our state-of-the-art online ERP system seamlessly integrates with the workshop network, covering every stage from raw material entry to finished product exit. This paperless production approach ensures precise data accuracy for every product. The system enables stringent quality control at each production stage, employing digital processes to uphold standards and meet quality requirements consistently.
Our independent laboratories are outfitted with an array of advanced testing equipment, including fully automatic direct reading spectrometers, handheld spectrometers, spectral alloy analyzers, hydraulic universal material testing machines, and pendulum impact testing machines. These facilities ensure that every product meets the highest industry standards through rigorous testing and validation.