الوصف

Introduction to Pipe fittings. 
Size head. 
Size head. 
Reducer is also known as large and small head, different diameter pipe, different diameter straight through. 
One of the chemical fittings used for the connection between two pipes of different diameters. 
According to the shape, it can be divided into concentric size head and eccentric size head. 
The size head material includes stainless steel size head (alloy steel, carbon steel size head), the size head material is 20 steel, Q235, Q345, 16Mn and so on. 
Size standard, national standard, American standard, British standard and all kinds of non-standard products.