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Help Center1.5CWX Marine Self Priming Centrifugal Vortex Pump
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CWX Marine self priming vortex pump
1. Working principle of CWX Marine self-priming vortex pump
When the star wheel of CWX Marine self-primiting vortex pump rotates, centrifugal force is generated. Under the action of centrifugal force, liquid flows into the blade root from the side face of the pump shell and is thrown to the outer circle and into the groove of the cover plate on both sides. The liquid originally moves in a circle with the blade, and has a certain velocity energy. In the groove of the cover plate, the velocity energy turns into pressure energy. Then it gets grabbed by the blades. In the process of liquid from inlet to outlet, such effect is repeated many times and energy increases successively, just as liquid in centrifugal pump is affected by multistage impeller. The liquid moves with the star impeller in the channel. At the cut-off point, the channel is suddenly blocked and the liquid flows out of the outlet hole. The outlet hole is set on the outlet cover plate, and the inlet hole is set on the inlet cover plate. It is opened at the place where the groove suddenly appears behind the cut-off area, where there is obviously negative pressure, so as to suck in the liquid.
CWX Marine self - suction vortex pump main components
1. Motor 2, impeller 3, pump body 4, mechanical seal
CWX Marine self-priming vortex pump performance characteristics
(1) vortex pump small volume, light weight features in Marine equipment has great advantages.
(2) having self-priming ability or realizing self-priming by means of a simple device.
(3) the head characteristic curve with steep drop is insensitive to pressure fluctuation in the system.
(4) some vortex pumps can realize mixed vapor-liquid transport. This is of great significance for pumping volatile liquid containing gas and high temperature liquid with high vaporization pressure.
(5) vortex pump structure is simple, casting and processing technology are easy to achieve, some vortex pump parts can also use non-metallic materials, such as plastic, nylon mold impeller.
| Model | Flow | Head | Speed | Motor power | Efficiency | NPSH | Pump weight | Remarks | |
| (m3/h) | (l/s) | (m) | (r/min) | (kw) | % | (m) | (kg) | ||
| 1.5CWX-2 | 3 | 0.83 | 40 | 2900 | 2.2 | 17.5 | 4 | 45 | Closed couple |
| 1.5CWX-2A | Max.8m | 63 | Shaft couple | ||||||
| 1.5CWX-3 | 6.5 | 1.8 | 35 | 2900 | 3 | 40 | 4 | 45 | Closed couple |
| 1.5CWX-3A | Max.8m | 60 | Shaft couple | ||||||
| 1.5CWX-4 | 10 | 2.8 | 35 | 2900 | 4 | 40 | 4 | 65 | Closed couple |
| 1.5CWX-4A | Max.8m | 84 | Shaft couple | ||||||
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