Core Positioning: A key spare part for slurry pump sealing systems, with rubber material precisely adapted to harsh working conditions
This product is a rubber labyrinth ring specially designed for slurry pumps, serving as the core spare part for pump unit sealing protection. Installed between the shaft system and pump casing, adjacent to transmission components such as 45# steel shafts and DAM073M large-diameter shafts, its core function is to form multiple sealing barriers through the flexible fitting characteristics of rubber material and labyrinth structure design. It blocks gravel particles and corrosive media in high-concentration slurry from invading the bearing assembly and shaft system mating surfaces, while reducing leakage of the conveyed medium to avoid lubrication failure and component wear.
Made of high-quality rubber raw materials through precise vulcanization molding, it combines excellent elasticity, wear resistance, and medium compatibility. It can precisely match various medium and heavy-duty slurry pump models such as Jch-Tiktop 6/4-AH(R), forming a perfect fit with components like 45# steel shafts and cartridge-type bearing housings. It meets the harsh working conditions of high wear and strong corrosion in industries such as mining, metallurgy, coal, and building materials, ensuring continuous and stable operation of pump units.
Selected from high-quality rubber base materials with oil resistance and wear resistance, it is made through professional formula adjustment and vulcanization treatment. The Shore hardness of the material is controlled in the range of 65-75A, combining good elastic recovery and structural stability. It can maintain shape integrity when subjected to rotational friction of the shaft system and particle impact, avoiding deformation or tearing. Meanwhile, it has excellent medium resistance, capable of resisting erosion from acid-alkali components in slurry and lubricating grease without aging or cracking.
Adopting a multi-channel labyrinth groove structure design, combined with the flexible characteristics of rubber material, it forms a tightly fitting sealing gap with the journal. The journal fit tolerance is processed in accordance with IT6-IT7 grade standards, with a smooth and burr-free surface, ensuring precise adaptation to 45# steel shafts, DAM073M large-diameter shafts, etc. It blocks impurity intrusion and medium leakage through the gap throttling effect. The elasticity of rubber can compensate for slight deflection of the shaft system, reducing changes in sealing gaps caused by vibration, and achieving better sealing stability compared to rigid seals.
Rubber material has good elasticity and inclusiveness，which can closely fit the surfaces of the shaft system and pump casing after installation, automatically compensating for assembly errors and slight displacements during operation, and eliminating sealing dead angles. Even when there is slight vibration or deflection change of the shaft system, it can still maintain effective sealing, preventing slurry particles from invading through gaps, and improving the sealing protection effect by more than 40%.
After strengthening treatment, the high-quality rubber base material has excellent wear resistance, capable of withstanding long-term scouring and friction of high-concentration slurry without easy wear and thinning. It is also acid-alkali resistant and anti-aging, with a service life 1.5-2 times that of ordinary rubber seals in complex medium environments, reducing downtime losses and operation and maintenance costs caused by frequent replacement.
Strictly and precisely designed according to the dimensions of slurry pump shaft systems and pump casings, it can directly replace original spare parts, adapting to multiple series of medium and heavy-duty slurry pumps such as Jch-Tiktop 6/4-AH(R). It can be assembled with components like 45# steel shafts and cartridge-type bearing housings without additional adaptation. The rubber material is lightweight and flexible, and can be embedded and fixed by hand during installation without professional complex tools, greatly improving replacement efficiency.
Rubber material has good buffering and shock absorption performance, which can absorb vibration energy and particle impact loads during slurry pump operation, reducing rigid friction between the labyrinth ring and the shaft system, as well as the pump casing, and lowering the wear rate of components. It also avoids collision damage caused by direct contact of metal parts, indirectly extending the service life of core components such as 45# steel shafts and bearings.
- Mining industry: High-concentration slurry pumps for mine tailings transportation and pulp lifting
- Metallurgical industry: Slurry pumps for transporting corrosive media such as smelting waste residue and steel slag slurry
- Coal industry: Coal slime and coal slurry pumps in coal washing plants, and underground slurry discharge pumps
- Building materials industry: Pumps for transporting cement clinker, sand slurry, and chemical raw material slurry
- Other scenarios: Sludge transport pumps in sewage treatment plants, and impurity-containing slurry transport pumps for river dredging, etc.
| type |
matel |
| OEM Part No. |
D108 |
| Part No. |
TKD108 |
| Matched |
all pump models |
