When designing pressure vessels, the specifications and wall thickness of the steel pipes used for pipes can be selected according to the data in the table below. The minimum wall thickness of carbon steel and low alloy steel in the table includes a corros ...

As a professional supplier of pipeline system components, Haihao Group produces a wide range of fittings in various materials, often requiring extensive welding operations. With our rich welding experience, we understand the nuances of welding different ty ...

The 2024 International Pipe Exhibition will be held at the Shanghai New International Expo Center from September 25 to 28, 2024.This premier event will showcase the latest advancements in tube and pipe manufacturing technologies, and we are thrilled to be ...

All-position automatic welding is a highly efficient and quality-assured welding process that has gained considerable attention in the industry. This technique involves fixing and aligning the pipeline, after which a welding carriage moves the welding gun ...

Low-temperature corrosion in boilers refers to the sulfuric acid corrosion that occurs on the low-temperature heat exchange surfaces, such as economizers and air preheaters, located at the rear of the boiler. This type of corrosion is called low-temperatur ...

In the design of pressure vessels, the difference and connection of various thicknesses is a confusing problem that designers need to pay attention to, only a clear concept and a deep understanding of its internal meaning can be handy in determining the th ...

Over time, valves in piping systems can degrade, leading to cavitation—a phenomenon that causes significant damage to the system. Cavitation typically results from vibration and noise, accelerating the corrosion process. This issue occurs when high noise l ...

General valves encompass a wide range of types including gate valves, globe valves, throttle valves, check valves, ball valves, butterfly valves, diaphragm valves, plug valves, piston valves, solenoid valves (electromagnetic drive open/close structures), s ...

As an expert in the piping systems field, Haihao Group has actively participated in numerous FPSO (Floating Production Storage and Offloading) construction projects in recent years, supplying a wide range of piping system products certified by classificati ...

The hydrogen energy industry is composed of several key segments, including hydrogen production, storage, transportation, refueling, and utilization. Among these, the storage and transportation of hydrogen serve as critical links between production and end ...

1.Definition of Pipe Schedule (Sch) The pipe schedule number, abbreviated as Sch, is a numerical designation that represents the wall thickness series of pipes. It is defined as the ratio of the design pressure to the allowable stress of the pipe material ...

The ASME B16.9 A234 WPB eccentric reducer plays a critical role in the petrochemical industry, facilitating the smooth transition between different pipe sizes and ensuring efficient fluid flow. This article delves into the specific applications of this com ...

Stainless steel grades 304, 304L, 316, and 316L are widely used across various industries for their excellent properties. Here’s a focused comparison highlighting their key differences: ANSI B36.19 SS304 SCH30 concentric reducer 304 vs. 304L Stainles ...

As a significant partner in the Belt and Road Initiative, Qatar has become an important market for Haihao Group. In recent years, we have expanded our business operations extensively in the region. Our piping system products are widely utilized in various ...

Thickness is one of the most critical structural parameters in the design of pressure vessels. It ensures structural strength, rigidity, and longevity under specified load conditions. Various thicknesses are strictly regulated by standards to ensure the re ...

Stainless steel welded elbows are integral components in various piping systems, renowned for their high performance and ease of installation. They are crucial for maintaining corrosion resistance and structural integrity in diverse industrial applications ...

For stainless steel pressure vessels, when designing according to ASME VIII – Ⅰ, the commonly used material standards for plates, pipes, forgings, bolts, and nuts can be found in ASME II Part A, mainly including the following: stainless steel pressur ...

Pressure vessels are critical components in various industries, designed to hold gases or liquids at high pressures. One of the most important aspects of their design is the selection and integration of heads and sealing devices. These elements ensure the ...

Hydrostatic testing is a crucial method used to evaluate the integrity and pressure-holding capacity of pipes, vessels, or components. This process involves filling the test object with water and applying a specific pressure to assess its sealing performan ...

Pipeline prefabrication is a process in which the various parts of the pipeline system are pre-processed, assembled and welded into modules or sections in a factory environment. These prefabricated modules or sections are then transported to the installati ...