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Cast Steel Check Valve
1. Specifications:
| Nominal pressure(Mpa) | Nominal diameter(mm) | 
| 1.0 | 200-300 | 
| 1.6 | 100-250 | 
| 2.5 | 20-150 | 
| 4.0 | 65-100 | 
| 6.4 | 20-50 | 
2. Suitable medium: fresh water, lubricant oil, fuel oil, T ≤300℃ steam
3. Main parts materials:
- Body and bonnets: cast steel, bronze, cast iron, stainless steel
- Disc: steel, bronze, stainless steel
- Sealing face: stainless steel, bronze
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