Tube sheet is widely used in tubular heat exchanger, boiler, pressure vessel, steam turbine, large central air-conditioning and other industries. drawing of the tube sheet flange It is mainly used in chemical vessels, such as tubular heat exchangers, pressure vessels, boilers, condensers, centra ...

On November 26, the list of “2022 Excellent Cases of Chinese Brands Going to Sea” was officially released at the “Development of Chinese Brand Culture” sub forum of Boao Forum for Chinese Entrepreneurs. PetroChina was included in the list. HAIHAO GROUP For a long time, Pe ...

Today, the 2022 China Marine Economy Expo, the 2022 Shenzhen International Ocean Week and the 2022 Shenzhen Ocean Industry Investment Promotion Conference opened in Shenzhen. Haihao Group 9CT005 booth The Expo covers an exhibition area of 60000 square meters, attracting more than 800 exhibitors ...

Haihao Group will take many important products to participate in the 2022 China Marine Economy Expo held in Shenzhen Convention and Exhibition Center (Futian District) on November 24-26, 2022, to help China achieve the upgrading and development of pipeline equipment! The exhibition covers an are ...

Alloy flange is a kind of flange plate. There are many kinds of flanges made of this material, such as integral flange, threaded flange, etc. The difference between alloy flange and common flange is that alloy flange can be used in high temperature and high pressure locations and in special pipe ...

2022 SSNAME Academic Conference The 2022 SSNAME academic conference was successfully held on November 12. The theme of the conference was “Innovation drives high-quality development of offshore engineering”, Haihao Group was honored to be invited to participate. Special rotating flan ...

Flat welding flange is a flange with simple structure, which is connected with the vessel or pipeline through fillet weld. Butt welding flange is neck type, with better relative stiffness and sealing. In practical application, the two can be selected according to different situations, such as pr ...

At the beginning of October, an American customer inquired from Haihao and wanted to order a batch of flange products for a local water conservancy project. After receiving the inquiry, Haihao’s business personnel carefully responded and recommended appropriate products according to the cu ...

China Marine Economy Expo, the only national marine economy exhibition in China, is an important window to show the achievements of China’s marine economy development. With the theme of “enabling scientific innovation and sharing deep blue”, the 2022 China Ocean Economic Expo ( ...

With the expansion of Haihao Group’s business, more and more domestic and foreign customers cooperate with us. In order to better serve customers, Haihao began to upgrade the factory and warehouse in October. At present, the reconstruction project has begun, and the painting of the warehou ...

Heat treatment can generally be divided into two types according to process: preliminary heat treatment and final heat treatment. Generally, heat treatment will not change the shape and overall chemical composition of the workpiece, but will endow or improve the performance of the workpiece by c ...

The function of welded steel stainless steel flange is to butt weld the flange and pipe. The structure is reasonable, the compressive strength is high, the bending stiffness is large, and it can withstand ultra-high pressure, continuous bending and temperature fluctuations, and the sealing perfo ...