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Product Name：YFC-A safe valve performance testing machine |
| Scope Of Application：DN15-300 |
| Pressure Test Media：nitrogen or air |
| Hit：6031 |
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Product Name：YDM hydraulic valve grinding machine |
| Scope Of Application：DN50-600 |
| Pressure Test Media： |
| Hit：14041 |
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Product Name：DM flap grinding machine |
| Scope Of Application：DN50-500 |
| Pressure Test Media： |
| Hit：1557 |
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Product Name：YF-O hydraulic valve gasket assembler |
| Scope Of Application：DN50-500 |
| Pressure Test Media： |
| Hit：2072 |
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Product Name：YFC-DZ butt check valve testing machine |
| Scope Of Application：DN15-600 |
| Pressure Test Media：water circulation use |
| Hit：1775 |
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