News

Valves Commonly Used in Chemical Production

Sep 20, 2023

As the pace of scientific and technological development further accelerates, chemical production is gradually becoming intelligent and automated. In chemical production equipment, a valve is a very important...

News Detail

Repair Welding of Common Valve Castings

Sep 12, 2023

1. Overview In the pressure-bearing valves of industrial pipelines, cast steel valves are widely used because of their economy and design flexibility. However, because the casting process is restricted...

News Detail

Material Selection and Treatment of Hydrogen Peroxide Pipeline Ball Valves

Sep 05, 2023

1. Overview Hydrogen peroxide (H2O2) is an important oxidizing agent, bleaching agent, disinfectant and dechlorination agent, which is widely used in the chemical industry, textile, military industry,...

News Detail

Development and Applications of Valves for the Coal Chemical Industry

Aug 30, 2023

With the continuous improvement of coal carbonization, gasification, synthesis, processing and other links and the continuous innovation of technology, the overall competitiveness of the coal chemical...

News Detail

Valves Used for the Coal Chemical Industry

Aug 21, 2023

The coal chemical industry refers to the process of using coal as raw material and converting coal into gas, liquid and solid fuels and chemicals through chemical processing. It mainly includes coal gasification,...

News Detail

Selection of Materials and Components of Plug Valves

Aug 14, 2023

Since the operating conditions are high temperature and high pressure, and the medium is highly corrosive and toxic hydrofluoric acid. To improve the corrosion resistance of the valve and at the same...

News Detail

Design of Plug Valves in the Refinery Alkylation Unit

Aug 03, 2023

I. Introduction The catalyst cyanofluoric acid in the alkylation unit is highly toxic and corrosive and has extremely strict requirements on processes, equipment, and raw materials. The device is safe...

News Detail

Reason for Defects in Welding Groove of Valves and Pipelines

Jul 29, 2023

After the low-temperature stainless steel globe valve is connected to the pipeline by butt welding, the causes of defects in the heat-affected zone and the base metal area near the valve side of the welding...

News Detail

Structural Principle and Performance of Double Plate Butterfly Check Valves

Jul 21, 2023

The double plate butterfly check valve is also a swing check valve, but it is a double-disc valve that closes under the action of a spring. The fluid from bottom to top pushes the valve disc apart. The...

News Detail