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Brief description of the composition and properties of ductile iron

2018-07-10

Pig iron is an iron-carbon alloy with a carbon content of more than 2%. The industrial pig iron generally has a carbon content of 2.5% to 4%, and contains elements such as C, SI, Mn, S, and P....　　Read More »

The difference between soft sealing valve and hard sealing valve

2018-07-10

Hard seal: The sides of the seal pair are made of metal material or other hard materials. They are called hard seals. The seals have poor sealing performance, but they are resistant to high temperature, abrasion and mechanical properties....　　Read More »

Basic knowledge of valves

2018-07-10

The valve is the control device of the fluid pipeline. Its basic function is to switch on or off the circulation of the pipeline medium, change the circulation of the medium, change the flow direction of the medium...　　Read More »

Check valve knowledge

2018-07-10

Check Valve: A valve that automatically prevents fluid from flowing backwards. The valve flap of the check valve opens under fluid pressure, and the fluid flows from the inlet side to the outlet side....　　Read More »