Multistage Single Suction Centrifugal Pump DL Series

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General Description
DL series pump is vertical multi stage single suction segmental centrifugal pump. It can delivery clear water or other liquid which is physically or chemically similar to clear water. The temperature of the liquid is 0 ℃-80 ℃. The inlet pressure of pump should be less than 0.6MPa.
DL series pump is vertically installed with advantage of compact structure, low noise and space saving. It is widely used for feeding water in high buildings in city, heat supply system, fire control system, air conditioning system and water supply systems.
Performance range
Capacity: 8-432m³/h
Head: 20-280m

Instruction of pump type

For example:65DL32-15X5
65：Inlet diameter of the pump is 65mm
DL：Vertical multi stage centrifugal pump
32：Rate flow 32m³/h
15：Rate head of each stage 15m
5： Pump stage is 5

Structure
The inlet is located in suction stage under pump; the outlet is located in discharge stage above pump. Both of the inlet and outlet are horizontally mounted. The outlet can be installed with the angle 90°,180°and 270°against the inlet according to users’ requirement (usually the inlet and outlet are codirectional ) . The main part of pump consists of suction stage, middle stage, discharge stage, diffusor, bearing frame, shaft, impeller, balance drum and shaft sleeves. The axial force is balanced by balance kettle and the remaining axial force is borne by upper radial thrust force ball bearing. The sealing ring is separately mounted in suction stage and middle stage to prevent high pressure water from leaking.
The radial thrust force ball bearing is mounted above shaft and the sliding bearing which gets lubricated by grease is mounted under shaft. Shaft seal is available with soft packing seal and mechanical seal, and the seals can be lubricated and cooled by pressure water in balance chamber. The pump is driven by vertical motor. View from motor end, the rotating direction of pump is counter clockwise.

Q: How to determine the pump installation elevation, why should we determine the pump installation elevation?: Determination of pump installation elevation: the geometric height between the suction well level and the center line of the pump impeller, plus the hydraulic loss of the suction pipe, is the actual installation height of the pump. (notice: if the suction level is higher than the center of the impeller, it should be negative)To determine the water pump installation elevation reasons: general water pump nameplate on the "NPSH" value, the above calculation of the value must be less than this NPSH value, so as to ensure that water pump is not prone to cavitation.[NPSH] - allowable cavitation margin is to determine the conditions of use of the pump cavitation margin.

Q: 1978 Ranchero 500. Pumps leaking like crazy. I have a belt to remove, which i assume is the serpentine belt? Its tight as can be on the pulleys. I have no clue how to remove this and any other advice on this do-it-yourself project would be much appreciated. Thanks: Replacing a water pump when you don't even know if you're talking about the serpentine belt or not, is not a DIY job.

Q: Rated power of three-phase pump4000W is a three-phase operating pump, the voltage is 380V, how to find the three-phase water pump current, and the formula is what?: Three phase water pump motor rated power 4000W is the output shaft power, divided by the motor efficiency (general 85%) is the input power, which is often mistaken. The electric power is =4000/0.85=4706WRated current = electric power /1.732x, rated voltage x, power factor =4706/1.732x380x0.8=8.94A (assuming power factor 0.8).The above three answers are all wrong.

Q: ive been doing repair work on an old 86 jeep cherokee and when i let it idle there is a water leak, me and my dad came to the conclusion there was something wrong with the water pump. i cant find the manual and i dont even know what im looking for, so where would i find the water pump and how would i go about replacing it?: For 2.5L 4.0L Engines Some vehicles use a serpentine drive belt and have a reverse rotating water pump coupled with a viscous fan drive assembly. The components are identified by the words REVERSE stamped on the cover of the viscous drive and on the inner side of the fan. The word REV is also cast into the body of the water pump. 1. Disconnect the negative battery cable. 2. Drain the cooling system. 3. Disconnect the hoses at the pump. 4. Remove the drive belts. 5. Remove the power steering pump bracket. 6. Remove the fan and shroud. 7. If equipped, remove the idler pulley to gain clearance for pump removal. 8. Unbolt and remove the pump. To install: 9. Clean the mating surfaces thoroughly. 10. Using a new gasket, install the pump and tighten the bolts to 13 ft. lbs. (18 Nm). 11. If removed, install the idler pulley. 12. Reconnect the hoses at the pump and install accessory drive belt. 13. Install the power steering pump bracket. Install the fan and shroud. 14. Adjust the belt tension and fill the cooling system to the correct level. 15. Operate the engine with the heater control valve in the HEAT position until the thermostat opens to purge air from the system. Check coolant level and fill as required.

Q: I have a 73 dodge charger 400 cubic inch engine, The water pump broke (causing the fan to chew into the radiator) I replaced the water pump and fan (will be replacing the radiator this week) But the problem I am encountering is the belt for the water pump is lose, How do I go about tightening this?: Well without seeing the problem I would say you either didn't put everything back or like the other guy answered you loosen usually the bolts to the alternator or power steering pump and use a pry bar to tighten everything up.

Q: Water pump "rated lift: 6m" what do you mean?: Lift refers to the weight of fluid per unit weight after the pump, the pump is an important working parameter, also known as pressure head. Simply stated: rated lift 6M refers to the rated operating conditions of the pump, the increase of energy 6M water column height. Here's an example to help you understand:Example 2-1 the head of a centrifugal pump is now measured. The refrigerant is 20 DEG C water, the measured flow rate is 60m^3/h, vacuum pump inlet meter 0.02Mpa, outlet pressure gauge readings for the 0.47Mpa (g), the two known table between the vertical distance is 0.45M if the suction pipe of same diameter and pipe pressure pump, calculate the pump head.Solution:Check the water density at 20 centigrade 1.0*10e3kg/m3,H=0.45m (1Mpa approximately equal to 100 m water column)P exports =0.47Mpa (0.47*100 m water column, =47 m water column)P imports =-0.02Mpa (0.02*100 m water column, =2 m water column)P is the density of the liquidH=h+ (P -p / P g=0.45+ export import) (0.47*10e6- (-0.02*10e6)) / (10e3*9.887) =50.5m (water)

Q: I just bought a house a little more then a month ago and just received my first electric bill and it's OUTRAGEOUS!! I have a feeling my electric pump is doing most of my water heating which I found out it is (currently it's on 24 hours a day .. I didn't know). Now, I called a solar company in my area that deals with Hartell pumps, they said if the Hartell pump is working, it should be vibrating .. mines is not .. are they correct? They also said it only works when the sun is out, so by evening, I have to switch on my electric water heater. I'm just checking to see if I'm receiving the correct information before I time my electric water heater .. since every other local solar company I called are unfamiliar with Hartell pumps.: OK, well your question is a bit confusing and I am not sure if it is because you don't understand how your system works. Your hartell pump pumps water. It does not produce heat. Your water heater heats water. It is a backup to your solar panel system. If on the other hand you have a heat pump as a back up source of heat this could be an entirely different matter and you are best at providing a model number which should be stamped on the part. We need to start again. Is your system for solar hot water or for general heating? Is it a system in a cold climate where freezing is an issue. Is it a pump down system or a system that circulates antifreeze in the solar loop. The reason all this is significant is that if you are paying a lot in electricity then something is not working. The first question has to be is it a design problem, a mechanical problem or an operational problem. You may need more hot water storage or more solar panels, you may need to replace parts, or you may simply need to turn the right valves (This would be the case where you have a grounding loop to keep the solar panels from overheating in the summer.)

Q: I'm having problems with my washer not filling, instead water is going directly out the drain. i want to see if something could be stuck in the pump. I have never looked at one before so I am not exactly sure what to look for. If you'd like you can see my previous post regarding this issue iv'e been dealing with all day. I dont have the money to hire a professional so I am trying like heck to figure it out myself.Thanks: Sounds like the pump is operating during the fill cycle. if there is something clogging the pump, you wouldn't be losing water, it would never drain.

Q: a water pump develop for africa: previously ApproTEC. KVM-Thika, a local manufacturing firm in Kenya. Micro-Irrigation Technologies. Rural Kenyans can no longer rely purely on subsistence farming. ... However, this pump can only pull water from a well ... wanted to pump water up to their fields on the sides of hills. So in October 1998 KickStart introduced the ...

Q: Okay, the fan has the clutch unit on the front with the large nut attaching it to the water pump. Then 4 screws attach the pulley to the water pump as well. What's the best way to immobilize pulley/pump so I can get the fan blade clutch nut unscrewed? Can't hold onto the fan or clutch unit since it simply spins. Can't realy seem to hold onto the pulley either as it prefers to spin? Any suggested best ways?: First remember this tighten is loosen and loosen it tighten with the big nut on the fan clutch. And there is a tool you can buy (BMP design and Bavarian autosport have them) but I never bought one because I only could have used it once, and I try to keep my tool box as empty as I can. All this with the belt on..Get the biggest screwdriver you have and a heavy hammer. Now put the screwdriver on the tighten side one of the flat sides edge. Take hammer and give it a big wack. As long as the last guy put the fan clutch on right it should take no more than 2 tries to loosen it. Once its loose just spin it off by the fan blades and pull it out. I only once had to use a sawsall (only time I could have used the tool)on both the water pump and fan clutch to do a water pump job and after inspection I found some moron used lock tight. When you reinstall just spin it on and that's it no need to tighten.. I like to put antiseize on the bolt threads so I know the next time I have to remove the fan it will come off like buttahr...

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