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  • Two different classification criteria for ductile iron pipes
    At present, the use of ductile iron pipes in daily life and the wide range of industrial production are now well known. According to its unique advantages, Shandong Liaocheng ductile iron pipe is unique in its pipeline system and has a promising future. Ductile iron pipes have long been the preferre...
  • Mold Design
    For sand casting, the mold is made of wood or other metal materials. In this process, we asked our engineers to make the mold size slightly larger than the finished product, and the difference is called the shrinkage allowance.
  • Die casting manufacturers
    we are a factory which is professional on die casting, both die casting moulds and die casting parts. Welcome to visit our company, you will believe that our products and service are competitive and trust!
  • Aluminum Motor Shell manufacturers
    if you want us to open mould, quote, or design the motor, please send us the drawing or the sample, and tell us which material you would like us to use.
  • What are the advantages and disadvantages of ductile iron?
    Compared with cast iron, ductile iron has an absolute advantage in terms of strength. The tensile strength of ductile iron is 60k, while the tensile strength of cast iron is only 31k. The yield strength of ductile iron is 40k, while cast iron does not show yield strength and eventually breaks. The s...
  • custom Sand Cast Parts
    Because sand molds are very versatile and adaptable to design parameters, just about any shape is achievable. Sand casting can produce a wide range of different parts in weights ranging from less than an ounce to thousands of pounds.
  • What are the main functions of the valves disc?
    The valves disc is rubber-packed to get excellent sealing effect by the rubber's resilient deformation. Non-rising resilient seated gate valves solve the problem in general gate valves such as leakage, rusting etc.
  • Soft seal gate valve manufacturers
    Soft seal gate valve is a replace ment products for traditional gate valve. It uses resilient disc to produce a samll amount deformation compensation to achieve a good sealing effect.
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