News

  • Core Structure and Working Principle of Globe Valves

    The core components of a globe valve include the valve body, valve disc (valve core), valve stem, and valve seat, with auxiliary structures such as gaskets and guide components included in some types. Its working principle involves regulating or blocking medium flow by rotating the valve stem (ma...
    Read more
  • Cast Iron Gate Valves

    I. Definition and Structure​ A cast iron gate valve is a type of valve primarily made of cast iron, with a gate plate as its core component. The gate plate moves vertically to fully open or close the pipeline. Based on the sealing surface design, it can be categorized into ​wedge-type gate valves...
    Read more
  • Cast Iron Ball Valves

      ​I. Basic Structure of Cast Iron Ball Valves​ A cast iron ball valve primarily consists of the following components: ​Body: Made of gray cast iron (HT200/HT250) or ductile iron (QT450-10), providing pressure resistance and corrosion resistance. ​Ball Core: Typically made of stainless ste...
    Read more
  • ​​Classification of Valves by Function and Structure​

      ​​Globe Valve​​ ​​Purpose​​: Primarily used to shut off or regulate fluid flow, suitable for scenarios requiring precise flow control. ​​Features​​: Simple structure and good sealing performance, but with higher fluid resistance. ​​Typical Applications​​: Water pipelines, steam pipelines...
    Read more
  • Cast iron valves

    I. Main Types of Cast Iron Valves​​ ​​Gate Valve​​ ​​Features​​: Full open/full close, low fluid resistance, suitable for medium cutoff. ​​Structure​​: Rising stem (e.g., Z45X-16Q), non-rising stem. ​​Applications​​: Water supply, drainage, sewage treatment. ​​Globe Valve​​ ​​Features​​: Flo...
    Read more
  • Cast Iron Manhole Cover

    ​I. Overview of Cast Iron Manhole Covers​​ ​​Definition​​ Cast iron manhole covers are underground facility covers made from cast iron materials (such as gray cast iron or ductile iron), primarily used to protect access openings for underground utilities (e.g., drainage, gas, electricity, and com...
    Read more
  • Composite Manhole Cover

    I. Basic Concept A composite manhole cover is a type of cover made primarily from polymer materials (such as resin, fiberglass, engineering plastics) or composite materials, formed through molding processes like compression or injection molding. It is designed to replace traditional cast iron man...
    Read more
  • Green Manufacturing: Waste Steel Recycling Technology Drives Sustainable Development in the Cast Iron Industry

    Content Highlights: A foundry company in Jiangsu Province has introduced ​AI sorting robots and ​high-temperature smelting technology to transform industrial waste steel, iron filings, and other recycled materials into high-quality cast iron raw materials. ​Carbon reduction: Achieved a ​40% lowe...
    Read more
  • China’s cast iron industry: strategic transformation from “manufacturing advantage” to “global competitiveness”

    In the wave of global industrial chain reconstruction and technological innovation, China’s cast iron industry is accelerating the layout of internationalization and regionalization, and gradually transforming from a “manufacturing power” to a “manufacturing power” t...
    Read more
123456 Next > >> Page 1 / 19