Key attribute
MD(P) self-balancing wear-resistant multi-stage pump is a single-suction multi-stage structure. It is a new type of environmental protection and energy-saving product successfully developed by our company on the basis of MD single-suction multi-stage centrifugal pump for many years. Compared with the traditional multi-stage pump, its advantages are:
1. Novel structure: the impeller is arranged symmetrically, the balance plate mechanism is canceled, the automatic balance function is realized, and the traditional structure of the multi-stage pump is broken;
2. Technological innovation: unique throttling, decompression device, balance device, cancel the high pressure drop, easy to wash, easy to wear, easy to failure of the balance plate mechanism;
3. High reliability: The symmetrical arrangement of the impeller enables the axial force generated during operation to be self-balanced, so that there is no need for a balance disc device, so that the axial force load will reduce the wear of the pump and the adverse impact on the system interference. small. The residual axial force is borne by the thrust bearing, so that the pump shaft is always in a state of tension, the force state of the shaft is uniform, and the stress peak value is greatly reduced compared with the traditional pump, thereby improving the rigidity and critical speed of the pump rotor, and making the pump stable Sex and reliability are significantly improved;
4. High efficiency: because the pump rotor does not have the wear and axial pulsation of the balance disc, the impeller and the guide vane are always in a normal state to the neutral, and there is no leakage of the balance disc, which improves the operation efficiency of the pump as a whole and effectively reduces the shaft power. Compared with the traditional pump, it has better performance and the efficiency of the pump is increased by 2-14%;
5. Good cavitation performance and long service life: optimized hydraulic and structural design, precision casting, and reliable wear-resistant materials make the pump have good cavitation performance, stable operation, low noise and long service life.
6. Widely used: cancel the small gap balance disc, than the original traditional pump structure to adapt to the media more harsh occasions
7. Low maintenance cost: Reduce the vulnerable parts, reduce the number of assembly and disassembly of the replacement of wearing parts, extend the product life, and greatly reduce the maintenance cost.
MD(P) self-balancing wear-resistant multistage pump is a substitute for MD horizontal multistage centrifugal pump. The product has wide high area, good cavitation performance, stable operation, few wearing parts, greatly improved reliability, and greatly reduced user maintenance costs, thereby reducing the cost of the pump's life cycle.
It is used to transport the liquid without solid particles and the temperature is less than 80 ℃. The allowable pressure at the pump inlet is less than 0.6MPa. Users can choose the pump material, sealing form and determine the capacity of the motor according to the name, concentration, specific gravity, use temperature and pump inlet pressure of the conveying medium.
MD(P) self-balancing wear-resistant multistage centrifugal pump
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Multistage centrifugal pump
Multistage centrifugal pump
A New Type of Balance Mechanism for Multistage Pump
Axial force balancing device for symmetrically arranged impeller multistage pump
Pre-tightening sealing ball valve device
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