WQK Submersible Sewage Pump with Cutting Device

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1000 unit/month

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Product Description:

WQK Sewage Submersible Pump

Application

WQK series submersible sewage pumps are widely used in agriculture, architecture, mine, environment protection and industry, such as drainage slurry, waste water, which contained short fibre, waste paper, sand and so on. It is also an ideal equipment for irrigation.


Working Condition

Working Medium: No-corrosion Dirty water

Sand content: Less than 25%

Medium PH: 4-10

Water temperature: Less than40°c              

Sand size: Less than 18mm


Attention
Submersible depth is less than 5m, wholly submersible into water ,but not submersible into mud.      

Performance Table

Model  Rated flow (m 3 /n)Rated head (m)Voltage (V)Power (KW)Velacity (r/min)Pipe size  
(mm)Inch
    WQK15-9-1.11593801.13000502
    WQK25-7-1.52573801.53000753
    WQK25-10-2.225103802.23000753
    WQK40-7-2.24073802.23000753
    WQK25-15-3251538033000642.5
    WQK42-11-3421138033000753
    WQK50-10-4501038043000753
    WQK65-12-5.565123805.530001004
    WQK100-15-7.5100153807.530001004
    WQK85-13-7.585133807.530001004
 


 

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Q:Pump suction and pressure side road why should vacuum table and pressure gauge, and what role they have?
The vacuum meter is used to measure the vacuum degree of the water pump before the water pump pumping, and to a certain degree of vacuum, the water can be sucked into the upward pressure position of the pump.A pressure gauge is used to indicate that the pumping is pressure in the pipe. The size of the pressure is related to the lift head, pipe diameter, atmospheric pressure and so on.
Q:1.5 kW three-phase pump with 600 meters line, should match what big line?
1.5 kilowatts water pump distance 100 meters, with 2.5 square meters of electricity enough
Q:What is the difference between self-priming and non self suction?
Non self suction is the ordinary water pump for the water inlet pipe, but the flow of water is small,Self suction for the water inlet no water (that is, 4, 5 floor water, no water on the 6 floor), it uses the principle of negative pressure to suck up the water
Q:How many kinds of pumps are there? What are the advantages of soft start?
The starting modes of water pump are direct start, star triangle start, reactance start, soft start, step-down start and frequency conversion start.1, direct start, generally suitable for small power motors, generally only in the following 15kw pumps, cheap;2, the buck start is the star triangle conversion start, that is, the start is accelerated two times to reach the rated speed, generally in more than 18.5kw pump use, moderate price;3, soft start is gradually increased to the rated speed, the impact on the pump is very small, the price is relatively high, is generally 3 times the buck start;4, the highest frequency conversion is started, in addition to the advantages of soft start, but also can be set at any speed work, energy saving has significant effect.Advantages of soft start:1, the output torque of the motor can meet the requirements of the starting torque of the mechanical system, ensure smooth acceleration, smooth transition, and avoid the impact of destructive torque;2, the starting current to meet the requirements of the motor capacity, to avoid motor heating, causing insulation damage or burnout;3, make the starting current to meet the grid power quality related standards requirements, reduce voltage sag amplitude, reduce the higher harmonic content.
Q:In the design specifications, for example, the water pump requirement is two. What does that mean? Can 3 pumps be opened at once?
May not。1, the system is designed according to 2+1, 1 standby, only redundant backup of important equipment, not included in the running load.2, higher power distribution only provides 2 (maximum operating conditions) equipment rated operating power capacity (slightly margin, but limited).3, a single 160KW motor rated current is about 300A, 185 cable can only be used for the 1 pumps (with 2 units, and has overload) 630A circuit breaker is the frame level, if the current setting value is 630, it should be the main power switch (single pump with 400A circuit breaker, setting a value of 315 or 350A).4, if the 630A as the main switch to provide 2 pump power, has been close to full load (third pumps can not be added).5, water pipeline system, although not what caused the problem, but the water flow rate, flow rate of 2 pump operation should be in the ideal range, adding third pumps (the premise is to ensure the power supply) will make the water flow velocity is too large, in non ideal conditions.Conclusion: this method is inadvisable. If necessary, modify the original system, change to 3+1 mode, and change the line and circuit.
Q:Is there a water pump with its own flow regulating function?
It has a water pump with adjustable flow capacity, I used it. Can also landing professional production pump manufacturers web site inquiries.
Q:Why should we pump water into a pump when the country uses a pump to pump it?
This is the water diversion, after the discharge of air, the pump started, under the influence of atmospheric pressure in order to absorb water.
Q:How do I calculate the power of the pump?
Power P (kw) =9.81*Q (second cubic meter) *H (head, unit m) / efficiency;The efficiency can be found on the pump nameplate or sample.This is the rated power, if the head down, the flow increases, the power will increase, so the actual motor power is often much larger than this calculation.Generally buy pumps are equipped with motors, manufacturers can refer to the same model or similar models of motor power.
Q:Stop the engine immediately and stop the circulating pump and the condensate pump. What's the harm to the turbine?
Stop the condensate pump is not required to condensate users, such as reducing water, mechanical seal water, shaft seal cooling water, deaerator, whether you need water. Stop circulating pump requires three: 1, exhaust steam temperature below 50. 2, there is no circulating water users. 3. No drain to condenser. If stop immediately stop circulating water and condensate pump, the consequences can be imagined.
Q:After the pump has a control box, but also the distribution box?
What you are saying is not a concept. The function of the control box is to control one or more equipment and to protect the equipment. The function of the distribution box is to distribute the power. The control box is connected to the power box, and the power box may be responsible for several devices at the same time. The distribution box is just one of them.

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