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NYP high viscosity pump selection of the need to pay attention to some of the issues, how to choose the right NYP high viscosity pump to be more suitable for their own conditions to use, should be considered in many ways. First, the viscosity of the medium delivered by the NYP high-viscosity pump must be taken into consideration in order to determine the speed range of the NYP high-viscosity pump. Based on the speed range of the NYP high-viscosity pump and the normal flow range of the NYP high-viscosity pump under the required operating conditions , In order to determine the specific model of NYP high viscosity pump.It should be noted that the general medium can be chosen.Among them, some special chemical medium at a certain temperature will change its chemical composition, so you need to select the NYP high viscosity pump to pay special attention to the pump Whether the speed is suitable, because the pump speed is higher, the greater the heat generated during normal work, once the temperature exceeds the limit of the medium, then the more transport medium caused damage.And some food medium, such as jam, Such as our daily consumption of jam, peanut butter, bean paste, etc., these media requirements in the delivery process must not be able to destroy the internal components of the destruction, which requires us to choose the pump speed must be low, to ensure NYP High-viscosity pump in the delivery process does not undermine the delivery of media. Second, the viscosity of the medium viscosity and NYP high viscosity pump speed are inextricably linked .If NYP high viscosity pump medium viscosity is too high, but with the speed is too high, it will cause the pump flow is very low , The pump noise is very large.If the motor power or according to the conventional, then the motor will cause overload.Mainly the pump speed is too high, medium viscosity is too high, which will cause a great pump resistance, the motor starts instantly The current exceeds the rated current, causing the motor overload; due to high speed, so that when the internal viscosity of the pump is running, NYP high viscosity pump almost only formed idling, slipping around the medium, causing the suction material, or the flow is very small. Under the condition, we must reduce the pump speed, increase the motor power, increase the diameter of the import and export to reduce the flow resistance of the medium.To complete the medium delivery.After the speed is reduced, the pump flow will be increased, and Pump noise will be reduced, but certainly can not hit the theoretical flow, so if the actual operating conditions require the flow of too much difference, then it can only better model a larger pump. Third, we have a lot of sales staff will encounter such a situation: In accordance with the theory of the selected high-viscosity NYP pump to the scene can not be used, or the actual flow and the theoretical flow is too much difference, especially in the delivery of high viscosity Occasionally, the main reason is that there is no real understanding of the true viscosity of the medium under different conditions, and often the customer gives only the viscosity of the medium under a specified condition, which is not the result of the customer's specified conditions The selection of the pump is small, the flow is not enough, or suction on the material. So to the customer to choose NYP high viscosity pump must be asked in detail on the customer site should be specific how to install the specific process, as well as some specific conditions of the process , Including medium viscosity, medium temperature, pipe diameter, pipe length, pipe elbow and so on. Fourth, NYP high-viscosity pump often stuck stuck in operation, the phenomenon of axial rotation, the main reason is that NYP high-viscosity pumps are often transported high viscosity medium, some are mixed with some physical impurities If the pump inlet is not fitted with a suitable filter, once the larger hard particles enter the pump chamber, the inner and outer rotors of the NYP High Viscosity Pump will be stuck and the pump will not move, seriously putting the NYP High Viscosity Pump Inside and outside the rotor ruined.So it is recommended that you install the NYP high viscosity pump should choose the appropriate filter to install the pump inlet.NYP high viscosity pump shaft phenomenon is mainly reflected in the stainless steel NYP high viscosity pump more, Because of the low carbon content of stainless steel, so the thermal expansion coefficient, once the pump temperature is too high, it will cause the pump internal parts and accessories to narrow the gap between the lock to a certain extent will produce the phenomenon. So choose stainless steel The NYP high viscosity pump is a must to specify the specific use of temperature, and medium lubricity. Fifth, NYP high viscosity pump prone to another problem is that the pinion driven gear easy to wear, especially for conveying non-lubricity of the medium, the pin shaft wear particularly fast.On my company to improve the processing technology in the original Based on the special design improvements to the pin shaft by adding a set of oil lubrication system in the normal operation of the NYP high viscosity pump through the inner rotor rotation of the centrifugal force generated by the negative pressure using the oil system through a special channel to the pin Shaft oil, which solved the NYP high viscosity pump pin shaft wear fast in this pump industry problems. Sixth, on the NYP high viscosity pump leakage problems .Especially NYP high viscosity pump in the delivery of non-lubricating high viscosity material, the sealing life will be very short .After our company's technical department of NYP high viscosity pump processing technology Improve the solution to this problem. The first is to increase the sealing device, the combination of sealed form; the second is to change the internal structure of the NYP high-viscosity pump, so that the pump seal chamber parts with low pressure chamber parts, sealed from the pump internal high pressure Impact, thus completely solve the problem that has plagued NYP high viscosity pump industry for many years.
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