Dry Pit Non-Clog Pump CVD.CHD

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Application:Wastewater treatment plant sewage and sludge pumping equipment. Municpial and industrial wastewater pumping

Feature:1. Dry pit construction is easily installed and maintained. There are vertical type and horizontal type to choose depending on installation space and piping layout.
2. Impeller is non-clog type, it makes sludge and sewage free to pass the flow passages. The impeller is dynamically balanced before assembly the pump.
3. Pump casing and suction elbow pipe both have handhole cover to clear the foreign objects. We can easily clear sludges and sewges without disassemble the other components, It is convient to be cared and maintained, and can prevent pump from being out of order.
4. Full closed ball bearings are added protection for high loads.
5. Shaft seal is mechanical seal. The material of mechanical seal is SiC

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Q:Difference between primary hot water pump and two hot water pump
Primary pump variable flow VPF (variable primary)Flow) system is the new layout of central air-conditioning system, compared with the one or two pump system has more advantages in initial investment and operation cost. At present, some with a pump with variable flow system engineering in the operation of many problems,
Q:Pump pumping small is what happened?
Water pump pumping is small because of insufficient water source or pump head is not enough. At the outlet stop to measure the pressure, if there is a certain pressure, that is, the flow is too small, if there is no pressure, that is not enough head, or both small.A pump is a machine that transports liquids or pumps liquids. It will be the prime mover of the mechanical energy or other external energy transfer to the liquid, the liquid energy increase, mainly used to transport liquids including water, oil, alkali liquid, emulsion, suspension emulsion and liquid metal, but also transport liquid, gas mixtures and liquids containing suspended solids. Pump performance parameters include flow, suction, lift, shaft power, water power, efficiency and so on.
Q:Can centrifugal pumps be idle? What's the status of the empty transfers?
The empty transfer of the centrifugal pump causes dry grinding, and the pump is overheated and seals out.Frequency control cabinet can be used to set their own frequency required job requirements, the external need is contact, is the pressure gauge
Q:About water pump selection
ZGD1.5KW screw pump, lift 120 meters. Caliber inch. High pressure. Screw type. It can absorb more than 30 meters of water.
Q:What is the influence of the speed of the pump motor on the pump?
The question is very general,In general, high speed motors are used in 2 stages, 2900 revolutions per secondLow speed motor with 4 stage, 1450 revolutions per secondYou can probably generalize to thisWith the flow, head, run the pump speed type low noise will be reduced but the service life of the motor (relatively high speed), but the speed of price ratio low speed expensive (motor level 4 level 2 line than for more than copper)For example, it seems that the reason why turtles live longer is that their heart rate is slow.
Q:Can the water from the fire pump enter the roof fire tank? Why?
This should be divided into two cases, the key depends on the use of your water tank!If you fire water tank roof is a constant pressure water tank fire control system, the requirements must be set on the water tank outlet check valve, which can only flow from the tank outflow, then pump the water can not enter the roof fire water tank.If the roof fire water tank acts as a water transfer tank and uses it to transport water to a higher building, the fire pump water can enter the water tank
Q:What kind of water pump does the 5.5KW motor have?
Model has: QS-250-40-21, lift 21m, flow 40 square, motor power is 4KW, water pump diameter is 232cmQJ-200-40-26, lift 26m, flow 40 square, motor power is 5.5KW, water pump diameter is 189cmYou can choose the right pump according to your well path.
Q:What are the quota items for the complete pump installation?
Complete installation of water pump, including:1. pump installation platform, to obtain concrete and reinforced section (if any)2. anchor bolt installation: cap construction reserved bolt mounting holes of the anchor bolt installation hole grouting taking, (may be incorporated into the 1), and the damping piece related item;3. pump installation: installed in the installation of fixed item taking pump, check the wiring and debugging section, the first cable.
Q:What is a variable frequency water pump? What's the difference between a variable frequency pump and an ordinary pump?
In fact, the key to this problem is to figure out what is frequency conversion, why frequency conversion, know this problem, we can easily understand the difference between frequency converter pump and ordinary water pump.We often say that the frequency is a frequency conversion process of the motor, the frequency of the motor to change the motor speed, so as to achieve the water pump flow head technology parameters are adjusted to control the role of.Variable frequency water pump refers to the motor, variable frequency pump should be driven by variable frequency motor pumpFrequency conversion, that is, adjustable frequency, frequency conversion motor is able to adjust the speed, adjust the flow, to achieve the purpose of energy saving, but also start small current, maintenance advantages of small workload.Ordinary water pump is to use ordinary motors to drive water pump rotation, that is called the power frequency motor. Our daily use frequency 50Hz, can not speed. Water pump adjustment flow through the valve throttling to achieve the same, so it is not energy-saving. The fear of harm in Wei Di apps
Q:Pump head is too high what's the impact?
Measure the height of 50m, using 100m lift pump, the disadvantage is a waste of energy, such as the selection of 100m lift pump, flow of 10 cubic meters, motor power 5KW, with less than 5 0m lift pump, flow of 10 cubic meters, motor power 5KW, so that the lift ratio measurement height is greater than 10-20%, on the same pump motor power next, the pump head is larger, less water.If the height of 50m is measured, the pump with 100m lift head is used, but what is the influence of the flow rate on the pump or pipe?.

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