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  • D-type self-balancing multi-stage centrifugal pump; This series of pumps is a new series of high-efficiency energy-saving products specially designed for renovation. It is not only suitable for the water supply of medium and low pressure boilers but also for the factory and city. The medium temperature: - 20 ℃ ~ 105 ℃ the pump inlet pressure must not exceed 0.59 MPa (6 KGF/cm2). parameters
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  • Product introduction
Product introduction
      D-type self-balancing multi-stage centrifugal pump; This series of pumps is a new series of high-efficiency energy-saving products specially designed for renovation. It is not only suitable for the water supply of medium and low pressure boilers, but also for the factory and city. The medium temperature: - 20 ℃ ~ 105 ℃, the pump inlet pressure must not exceed 0.59 MPa (6 KGF/cm2).
  parameters
    1. Flow: Q, 850m3/h.
    2. Head: H and 1800m model description d5-27 * 3.
    D- self-balancing multi-stage centrifugal pump.
    5- flow (m3/h)
    27- pump single-stage lift (m)
     3 - pump series
Advanced technology
    Advanced modular design, with a large number of local components that have been tested over a long period of time, the components are highly interchangeable.
High strength and high quality materials and a variety of choice of inlet and outlet flanges and nozzle design, improve the pump high allowable pipe load, high strength, high quality of the service life of the material structure and harmony of the pump shell structure is 5 times of ordinary casting, over-current parts of impeller and guide blade adopts precision casting, smooth level than normal casting efficiency more than 2%. It can meet the specific requirements of the system at any time.
Rapid assembly and disassembly design allows the pump to replace the seal and bearing parts without disassembling the pump body and inlet and outlet piping, guaranteeing less overhaul and inspection time.
     High efficiency, high reliability, low cost combination. Through the impeller and guide blade in the best collocation, as well as reasonable fit clearance and wide axial throttle is designed, make ZPD type high pressure multistage centrifugal pump after running for a long time still can maintain its high stability and high efficiency.
     Good cavitation performance. With the excellent impeller hydraulic model or special double suction impeller structure, the user does not need to configure the front pump or raise the height of the water tank.
     The pump USES symmetrical arrangement, can basically eliminate axial force, residual axial force from a pair of back to back Angle contact ball bearing.
     Due to the unbalance device, the disk friction loss of the unbalance disc has no balance return loss, so the pump efficiency is increased by 5-14% compared with the same type of multi-stage pump.
Due to the unbalance device, the failure of the balance device can be completely solved, which can cause the abrasion of the pump balance plate and the balance disc holder, and the rotors bite to die, etc., which greatly prolong the service life of the pump.
    Safe pump body seal design. According to different pressure and structure, the pump body USES metal to face metal surface hard seal and metal wrap or O ring seal.
Unique structural strength design. Allow the single-stage head of the pump was 1.5 Mpa (150 m), outlet pressure can reach 18 Mpa (1800 m) total head, and make the bearings and rotor core covering parts is not affected by temperature change, has excellent thermal shock resistance.
    The mechanical seal of the mechanical seal is completely overcome when the old type multi-stage pump shaft is running through the shaft. In the actual operation, it has been accomplished.
 
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