First, the product overview DFSG-type water-cooled low-noise centrifugal pump is a new generation of products formed on the basis of direct-connected pipeline pump supporting the water-cooled motor developed by our company. It not only has DFG-type pipeline pump running smoothly, simple structure, easy maintenance, covers an area of ​​province and other characteristics, and lower noise. Has been "utility model patent certificate" patent number: ZL02288276.6. The pump meets GB / T5657-1994 "centrifugal pump technical conditions (Ⅲ)" standard. For conveying water or other liquids with physical and chemical properties similar to water.
Second, the product features 1, energy-efficient: CFD CFD, analyze and calculate the pump pressure distribution and speed distribution, optimize the pump flow channel design, to ensure that the pump has an efficient hydraulic shape line to improve the pump efficiency.
2, low noise: As a result of water-cooled motor, remove the top of the motor blades, DFSG pump than ordinary pipe pump noise is 3 to 5% lower.
3, self-cooling structure: Cooling water can not only cool the motor housing, but also cooling the motor up and down bearings, not only improve the bearing working environment, improve the bearing life, but also due to full motor cooling and improve motor efficiency.
4, maintenance-free structure: water-cooled motor bearings with closed bearings, eliminating the worries of the daily maintenance of bearings.
5, long service life: Axle material selection of 2Cr13 martensitic stainless steel, to avoid shaft corrosion caused by shaft seal failure or the need to replace the shaft concerns.
6, reliable life: The mechanical seal base generally use rubber bellows structure, the traditional mechanical seal on the shaft seal from the O-ring seal to the two pieces of rubber seal to improve the sealing effect.
7, outdoor use: DFSG high degree of protection, can be used outdoors.
Third, the working conditions of traffic: 2 ~ 1400 m3 / h
Head: 5 ~ 80 m
Medium temperature: <+80 ℃
Ambient temperature: ≤ + 40 ℃
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