Shijiazhuang Neibuyeluo Import and Export Trading Co.,LTD
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8/6E River Sand Gravel Dredging Pump Flux Parts Replacements Hard Metal A05, A07 OEM Sand Pump Parts
Main parts:
Pump cover for pressure parts, use nodular cast iron; Impeller and volute, guard board, pump body as high hardness, wear resistance cast steel. Connection parts adopt bolt or screw connection, for rubber seal "O" type circle
Impeller
The impeller generally has three vanes or five vanes and wide application range. It is made of wear-resistant high chromium alloy cast iron (hardness>58HRC, impact toughness>9j/cm2). The impeller is fixed on the pump shaft with double thread, and the thread tolerances are inspeed according to the pitch diameter of thread. Disassembly rings are installed at the rear of the shaft sleeve to make maintenance easy.
Pump casing
The pump casing is made of wear-resistant and compression-resistant alloy (hardness>56HRC, impact toughness>8 j/cm2). Advanced smelting guarantees smooth easting surfaces and reliable internal quality.
The bulge test will be carried out after molding, and the test pressure is 2 times of the discharge pressure of the pump. If there is no leakage after 20 minutes, strength and tightness pressure test reports can be issued.
Liner plate
The liner plates are made of wear-resistant high chromium alloy cast iron (hardness > 56HRC, impact toughness>8 j/cm2).
Pump parts materials show
| No. | ITEM | MATERIAL |
| 1 | Impeller | High-chrome alloy |
| Rubber | ||
| 2 | Volute casing | High-chrome alloy |
| 3 | Front liner plate | High-chrome alloy |
| Rubber | ||
| 4 | Rear liner plate | High-chrome alloy |
| Rubber | ||
| 5 | Liner | High-chrome alloy |
| 6 | Expeller | High-chrome alloy |
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5. OEM order.Many material are available ,like High chrome, rubber , stainless steel and etc.Steely alloy,