Single Stage Vertical Axial Flow Pump

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General Description
ZLB/ZLD series single stage vertical axial flow pumps are provided for delivering clear water, sewage water, rain water and other liquid with slight corrosive. The highest temperature of the liquid is not allowed more than 50℃.This series pumps have the features of large capacity and low head.  It is widely used for agriculture irrigation, water conservancy, water supply and drainage for municipal facilities, farm land, pollution water treatment,power station, water lifting.


Performance range  

Capacity Q: 18~1368 m3/h
Head   H: 100~360m

Instruction of pump type
Example1

500ZLB-6.

500: outlet diameter of pump(mm)

DK: Multi -stage horizontal split centrifugal pump

Z: Axial flow pump

L: Vertical.  

B: Blades adjustable when stationary (D-fixed blades)

6.3: Head at design point or Pump Specific Speed.



Structure
The pump is vertically installed with the inlet vertical downward and the outlet horizontal extending. The pump and the motor are connected directly and mounted on separate foundation. The axial thrust of the pump is carried by the motor. The pump adopts rubber guiding bearings.  The seal usually uses packing seal.  

Material of main parts
Shaft:  High-quality carbon steel.
Impeller:  Cast iron / Cast steel / Stainless steel.
Other parts:  Cast iron / welded steel plate.


Parts Range
pump, motor, common Foundation plate , sluice valve and check valve.  

Remaind:
Please indicate the material of main parts in your inquiry or purchase contract. Any special requirement, please don’t hesitate to contact us.  

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Q:should get oil pump seal and valve seals replaced if getting a new timing belt & water pump?
Yes do it. As long as your in there. I do the same thing and recommend it also. You have a good mechanic man that seems to know their stuff.
Q:How to replace a water pump on a Mercedes E320?
1. Disconnect the Ground Cable. 2. Drain the Coolant. 3. Remove Fan Shroud. 4. Remove Fan Visco Clutch. 5. Remove Radiator Hoses and Thermostat Housing. 6. Remove the Serpentine Belt, pay close attention to the path of the serpentine belt. Suggestion draw a diagram as to it's path, before removing. 7. Remove the Water Pump Pulley and Power Steering Pulley. 8. Remove the Tension Adjuster Mechanism. 9. Loosen the Power Steering Pump and move it to the right a little. 10. Remove the Water Pump, and you're done. Tools Needed .... A nice Stereo, plenty of Beer, and a couple of friends to keep you company. Good Luck !
Q:How to replace water pump on a 95 Mercedes E320?
I just replaced a water pump on my C Class 220 cdi it cost me £40 for the pump and under an hour to change it ,but it was gone and you could hear it was gone,so i doubt if its the pump,it may be that the thermostat is jamming ,or if the water is boiling over its much worse it could be the cylinder head gasket but you should definitely get a second opinion and avoid the mercedes dealers they just charge an arm and a leg good luck.
Q:on changing a '86 volvo 240 water pump?
The first thing I was taught on Volvo water pumps was to use NO sealer. Get yourself a new gasket.Make sure the block is clean. Install the gasket on the two studs. Grease the heater pipe o-ring after installing on the pipe. Grease the hole it fits into. Install the top seal on the water pump and coat the surface with grease. Install the pump on the block and make sure the pipe has entered the pump. Tighten the two nuts until the pump is almost contacting the block but still moves easily. Insert a smaller Phillips head screwdriver into the bottom bolt hole of the pump and into the block. Lift the pump ,using the screwdriver ,until you can start the top bolt.Then use the screwdriver to wiggle the pump to start the left side bolt. Once you have started those two bolts,the bottom one will go right in. Tighten it all up and install the heater pipe bolt and you are done.
Q:Work done in water pumping?
Power_W = (Mass_kg * Gravity_m/s/s * Height_m) / time_s Where: Mass kg is 1kg/l of 2000 liters Gravity is 9.81m/s/s Head is 60m + 10m (height). The suction head is ignored because the pump is submerged. In practice there is some suction head due to intake restrictions like pipes, check valves, strainers. The time is 20 minutes in seconds. The work is the energy used in the time allocated, which is: power * time in seconds, which is watt seconds = joules. Not needed here as it is in the formula above. Power is the rate of doing work. The depth below water is not really relevant except for pipe losses which increase the head slightly. The flow is 2000 liters/20 minutes = 100 l/min. This can be used with the head of 70m to determine the pipe restriction, which amounts to a pressure drop representing extra head added. It will indicate whether the pipe is too small (excessive head added) or whether the pipe is overkill (no head added). You can find on line calculators for this, e.g. search pipe resistance flow on line calculator. I am guessing a 2 inch pipe has little loss at this flow. This is the so called water power. It is the output power of the pump. The pump may only be 50% or so efficient, so the mechanical power delivered by the motor needs to be greater by this ratio. The electrical input power to the motor is greater again to allow for motor efficiency. This might be 60-90%. In practice the efficiency of pump and motor are determined from user manual or specification of the actual devices with the actual loads (head and flow).
Q:Need step by step instructions on how to replace a water pump. Or where i can get a diagram on how to.?
I have done them on the 4.9's. I dont remember having to jack up the motor for any reason. I do remember there are like 20 bolts that hold it on and there is not a heck of a lot of room to get at them. I think the reason someone mentioned jacking up the motor is some of the GM engines like the 3.1 or 3.3? to change the belt you need to take apart one of the motor mounts. Since the mounts hold the engine in you need to support the engine when you remove them. I remember the 4.9 being more like the 3800 in that its mounts go to the front by the radiator so they wont be in the way of the belt.
Q:How do you build a water pump?
There are a number of different types of pumps (and some overlap between types, too). A suction pump basically sucks water up. This might be a piston pump, or a venturi pump (or some other types). This type of pump raises water up by lowering the air pressure above the water, and letting atmospheric pressure push the water up the tube. Suction pumps can't pull water up more than about 32 feet (because that's how high atmospheric pressure can lift a column of water) but they have the advantage that the pump can be located at the top of where you want the water (rather than down where tie water is). A Lift pump basically uses mechanical force to raise water upwards. This could be a chain of buckets, or an Archimedes screw, or a bubble-lift pump. All these pumps need to have at least part of the pump down at the water level (with the exception of the bubble lift, which is kind of a unique design). The most common water pumps are centrifugal pumps. These use a set of spinning vanes to pressurize the water. Water comes in at the center, and hit spinning vanes; these shove the water outward through centrifugal force, and the outlet pipe is at the outside edge of the circle. One other interesting type of pump is the hammer pump. It's sometimes used in remote farming areas, because you can use the energy of a running stream to pump water high up a cliff. In a hammer pump, you let water flow through a relatively long tube. The tube has a vertical pipe near it's end. You let the water run through, and then suddenly close off the end of the pipe. The momentum of the water (combined with the fact that water isn't very compressible) can force a shot of water very far up the vertical tube. Hope this gives you enough to search for on the web!
Q:Hi: How can i adjust water pressure on a submersable well water pump the switch is outside beside expan. tank?
This is very simple i would sugest the pressure to be set betwene 60 to 70 NO MORE THAN 70. 1. turn off power to pump (ether the circut breaker or a switch near the pressure switch) you dont want to weld the wrench to the switch. 2. remove the cover to the pressure switch its self (usly one #2 phillips screw) 3. now you will see 4 wires under some sloted screws nearest to the front of the switch, behint that is 1 or 2 bolts with a spring and a nut. 4. if you see 2 bolts you will want to turn the nut on the larger one to the right. you will want to tighten it about 1 to 2 full turns. (the same goes if there is only one bolt also) 5. now open the valve that is on the tank untill you here the switch click. then close the valve. 6. turn the power back on tio the pump and watch the pressure gauge on the tank. i DO NOT RECOMEND MORE THAN 70PSI. 7. if it goes over the pressure you want repete steps above exept loosen the nut in about 1/4 to 1/2 turns untill you reach the desired pressure 8. if it does not reach your desired pressure then you do the same thing exept tighten the nut in 1/4 to 1/2 turns untill you attain your desired pressure. 9. when the pressure is reached, replace cover so you dont risk rusting the contacts. if you need more help feel free to email me. and i will assist you in any way that i can.
Q:How to identify the motor series of pumps
Look at the speed, see the modelFor example, the actual 1430r/min synchronous speed is 1500 rpm, the speed formula: speed = time (60 seconds) * frequency (50HZ) divided by the number of pole pairs one pole of 2 pole, which can be calculated 3000 83019 1500=2 on pole or 4 pole motor.See model is more straightforward: for example motor model is Y 132 M- 4Y, three-phase asynchronous motor, the three-phase asynchronous motor product name: YR for winding type asynchronous motor; YB explosion-proof induction motor; YQ high starting torque of asynchronous motor.  132, a high center (mm)M code, frame length4, the number of polesFrom the motor nameplate marked, you can see that the motor is 2, model FW12-2, speed 2840
Q:When using a frequency converter to adjust the pump, what is the relationship between the change of the speed and the efficiency of the pump?
The wind pumps such load is usually called square torque load, which is in a certain range of speed and torque is roughly proportional to the square of the speed of N, TL=kn^2, power and speed is proportional to the cube, the energy-saving effect is obvious.

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