Products

The stainless steel 316 flange produced by Longan is widely used in the manufacture of equipment and components that require corrosion resistance and formability. The product is supported by molybdenum elements, has a long service life in extreme working conditions, and has a very high cost performance. Please rest assured to purchase and place an order!

Stainless Steel 304 Flange is a relatively universal flange, which is widely used in the manufacture of equipment and components that require corrosion resistance and formability. The Stainless Steel 304 Flange produced by Longan Flange contains more than 18% chromium and more than 8% nickel, so it has excellent corrosion resistance. It has good resistance to oxidation, reduction, acidic and alkaline media, can operate stably for a long time in a variety of environments, and is not easy to rust and corrode.

Longan is a Wenzhou enterprise specializing in the production of flat welding flanges. We have nearly 15 years of experience in the production of 304 flat welding flanges, which is professional and reliable. We provide 24h delivery guarantee, and the product standards are reliable. Come and contact us

Do we often encounter several problems when purchasing? Worried about the failure of the seal of stainless steel non-standard flanges? Worried about the rejection of small batch orders? The drawings are special but you can't find a matching supplier? Worried about the failure of the seal of non-standard flanges? Rejection of small batch orders? Longan Flange perfectly solves this dilemma, providing three-party pressure test videos, clear minimum order quantity inventory status real-time query and 72h quick response customization analysis

The High-pressure threaded flanges are usually used in high-pressure chemical injection systems, oil and gas wellhead devices, test benches, instrumentation pipelines, power plant high-pressure bypass, and other key connection points that need to withstand extreme pressure. The standard threaded high-pressure neck flanges produced by Longan have complete material certification. Each batch of products provides EN 10204 3.1 / 3.2 or ASTM A961/A105 material report (MTC/MTR), various actual measurements, to ensure that the material performance meets the standards.

How can we make the pipelines sealed and meet the strength standards for special interfaces and non-standard pipelines with limited space? Longan Welded Socket Forged Special Shaped Flange's professionally produced welded socket forged special-shaped flanges are the ultimate sealing solution for your harsh working conditions! With super strength, significant cost savings, and ultra-low leakage sealing!