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Product Specifications：
| Nominal diameter DN（mm) | 50～2000 | 50～2000 | |
| Nominal Pharmacology PN（MPa) | 0.6 | 1.0 | 1.6 |
| Seal test(MPa) | 0.66 | 1.1 | 1.76 |
| Strength test(MPa) | 0.9 | 1.5 | 2.4 |
| Temperature | Nitrile rubber: -40 ℃ ~ 80 ℃, Viton: -20 ℃ ~, 150 ℃ | ||
| For media | Water, air, natural gas, oil and weak corrosive fluid | ||
| Leakage rate | In line with GB / T13927-92 standard | ||
| Drive mode | Worm gear, electric, pneumatic, hydraulic | ||
Valve Parts Material：
| Part Name | material |
| Body | Gray iron, ductile iron, steel, stainless steel and special materials |
| Disc | Ductile iron, steel, stainless steel and alloy steel |
| The valve shaft | 2Cr13、stainless steel |
| Seals | Butyronitrile rubber, polytetrafluoroethylene |
| filler | O-ring, flexible graphite |