Dfy (t) non-self-priming submersible multistage centrifugal pump

Typical applicationDFY(T) is used to transport machine coolant, lubricating fluids, condensate transfer, industrial cleaning equipment and other applications suitable for immersion pumps.DFYT is suitable for non-corrosive liquids and DFY is suitable for mildly corrosive liquids.Specificly used in electric sparks, lathes, grindin

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Typical application
DFY(T) is used to transport machine coolant, lubricating fluids, condensate transfer, industrial cleaning equipment and other applications suitable for immersion pumps.DFYT is suitable for non-corrosive liquids and DFY is suitable for mildly corrosive liquids.
Specificly used in electric sparks, lathes, grinding machines, machining centers, cold unloading devices, industrial cleaning equipment, filtration systems, etc.


Pump description
DFY (T) is a non-self-priming submersible multistage centrifugal pump equipped with a standard motor, and the motor shaft and the pump shaft are directly coupled by a coupling.
In order to meet the installation depth of the sink or container, an empty sleeve can be installed to change the immersion depth of the pump itself.The length of the different stages can be found in the size and weight of the product range.
Motor
The motor is fully enclosed, air-cooled secondary standard motor
Protection level:IP55
Insulation class:F
Standard voltage:50Hz:1×220-230/240V 3×200-230/346-380V3×220-240/380-415V 3×380-440V
Other voltage motors are available upon request.
Single-phase motors are available from 0.37 to 2.2 kW.

Operating conditions
Thin, clean, non-explosive liquids containing no solid particles and fibers, which can transport water and cooling aqueous solutions and cutting lubricants.
Liquid temperature:Normal temperature type -15°C~+70°C hot water type -15°C~+120°C
Altitude and ambient temperature
When the pump is operated at an ambient temperature greater than 40 ° C or an altitude greater than 1000 m, the motor output power P2 will decrease.Therefore, in the above case, the motor power needs to be large.

Performance curve
• All curves are based on measurements of the motor at a constant speed of 2900 rpm.
Curve tolerance is in accordance with ISO9906, Appendix A.
Tested to use 20 ° C air-free water, kinematic viscosity 1mm2 / s
The use of the pump refers to the performance range of the thickening line to prevent the flow from being too small to cause overheating or excessive flow to overload the motor.
 
Dfy (t) Non-Self-Priming Submersible Multistage Centrifugal Pump
 

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