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  • Difference between Ordinary motor and High-efficiency motor
    Feb 25, 2019 Difference between Ordinary motor and High-efficiency motor
    Ordinary motor: The motor is a device that converts electrical energy into mechanical energy. 70%-95% of the electric energy absorbed by the motor is converted into mechanical energy. This is the efficiency value of the motor, which is an important technical indicator of the motor, and the remaining...
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  • How to choose right Positive displacement pumps？
    Mar 20, 2019 How to choose right Positive displacement pumps？
    What is Positive Displacement Pump? It is a pump that reciprocates or rotates in a pump body by means of a piston, a plunger, a diaphragm, a gear or a van, etc. to periodically change the volume of a plurality of working chambers in the pump body, and alternately suck and discharge the liquid. How p...
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  • How to deal with unreasonable process pump design and non-optimal operation?
    Feb 25, 2019 How to deal with unreasonable process pump design and non-optimal operation?
    How to deal with unreasonable process pump design and non-optimal operation? Practical experience tells us that the use of centrifugal and positive displacement pumps in process often underestimates the challenges in planning design, assembly, operation and culture. Experienced operators have repeat...
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  • Flange Connection for Bonve Lobe Pumps
    Mar 20, 2019 Flange Connection for Bonve Lobe Pumps
    Flange connection Machinery industry standard JB/T81-94 PN 1.6MPa (16bar) Inside nominal diameter(DN) B C D1 D2 D3 f n L 10 10 14 40 60 90 2 4 14 15 15 14 45 65 95 2 4 14 20 20 16 55 75 105 2 4 14 25 25 18 65 85 115 2 4 14 32 32 18 78 100 140/135 2 4 18 40 40 20 85 110 150/145 3 4 18 50 50 22 100 12...
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