Specification for Gate Valves:

1. Brief Introduction:

    The cast iron gate valve, normally with brass trim, is ideally suited for cost effective sewage piping and water

    treatment pipeline which are very common in the utility projects.

2. Material Specification:

    Body & Bonnet: Cast Iron or Ductile Iron

    Wedge: Ductile Iron, or Ductile Iron coated with brass

    Stem: Carbon Steel, Stainless Steel or Bronze

    Wheel: Cast Iron, Ductile Iron

    Yoke Nut: Ductile Iron or Bronze

3. Sizes and Pressure Ratings:

    2" ~ 12" (DN50 ~ DN300)

    PN6, PN10, PN16; 5K, 10K, 16K

4. Standards:

    DIN, BS, JIS, ANSI