T10,T20,T30| Model： | T10,T20,T30 | |
| Standard or Nonstandard： | Standard |
|
| Pressure： | HighPressure |
|
| Material： | Forged |
|
| Media： | Water |
| PriceRange： | ||
| Structure： | GateNeedle |
|
| Power： | Manual |
|
| Temperature of Media： | NormalTemperature |
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A nodular cast iron gate valve utilizes nodular cast iron, which is a new kind of cast iron. While most varieties of cast iron are brittle, ductile iron is much more flexible and elastic, due to its nodular graphite inclusions.Adding Tiny amounts of magnesium or cerium to these alloys can slow down the growth of graphite precipitates by bonding to the edges of the graphite planes. Along with careful control of other elements and timing, this allows the carbon to separate as spheroidal particles as the material solidifies. The properties are similar to malleable iron, but parts can be cast with larger sections.
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