The sapphire plunger rod is made of artificial corundum single crystal, utilizing its advantages of wear resistance, corrosion resistance, thermal stability, and chemical stability. According to customer requirements, various materials of plunger rods can be provided, such as alumina ceramic, zirconia ceramic materials, and plunger rod components with stainless steel sheaths can also be provided to meet customer needs. Mainly used in high-performance liquid chromatography pumps, medical analysis pumps, petroleum pumps, and various high and low pressure pumps.
Size range
| Gemstone round rod |
project |
Diameter D |
Length H |
Parameter indicators |
| Size range |
φ0.40~40.00 |
1.00~200.00 |
The surface roughness is Rz0.1, the diameter tolerance is 0.005mm, and the roundness is 0.001~0.0025mm. |
|
| Extreme deviation |
0.004~0.05 |
0.03~0.25 |
||
| Metal components |
Exterior structure |
Customer customization |
Customer customization |
Each product undergoes pull-out force testing, and the concentricity meets the standard requirements. |
Material selection
Hard and brittle materials such as sapphire, ruby, alumina ceramics, zirconia ceramics, etc. can be selected according to needs.
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