CAST IRON UNIVERSAL COUPLING

  1. Material:
    • Body: Cast Iron (usually ASTM A126 Class B or equivalent)
    • Gaskets: Usually made of rubber (EPDM, NBR, etc.) for sealing purposes.
  2. Design:
    • The universal coupling typically consists of two halves, each with a gasket inside to provide a seal between the pipes.
    • The halves are connected together using bolts and nuts, which are tightened to create a secure connection.
  3. Classification:
    • Universal couplings are classified based on their size, pressure rating, and intended application.
    • Size: Available in various sizes to accommodate different pipe diameters, ranging from small sizes (e.g., 1 inch) to larger sizes (e.g., 24 inches or more).
    • Pressure Rating: Rated for specific pressure ratings depending on the size, material, and application requirements.
  4. Description:
    • Universal couplings are designed to provide a flexible and versatile solution for connecting pipes that may have variations in size, material, or end type.
    • They are commonly used in plumbing, irrigation, and industrial applications where pipes need to be joined securely, even if they have slight differences in diameter or end type.
    • The flexibility of universal couplings allows for some misalignment between pipes and can accommodate thermal expansion and contraction.
    • Universal couplings are typically installed using basic hand tools, and no special equipment is required for assembly.
    • They provide a leak-tight seal, preventing fluid leakage and ensuring the integrity of the piping system.
  5. Standards Compliance:
    • Universal couplings may be manufactured to meet or exceed relevant industry standards and specifications, such as ASTM, ANSI, AWWA, or others, depending on the application requirements and regional regulations.

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