Portable Self-priming Single Suction Centrifugal Pump

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Product Description:

Structure and operating principles of Portable Self-priming Single Suction Centrifugal Pump

 

Diesel engine driven self-priming pump is composed of diesel engine, coupling, pump body, impeller, rear cover, mechanicalseal, pump spindle, bearing block, imported pump, gas-liquid separator tube, water valve and drain connection. The structure of the pump is shown in the following figure.

Principle of operation: The pump body with fluid reservoir inside and the working chamber of the pump, being connected with each other through the reflowingvalve on the upper side and circulation valve beneath it, form the axial-flow outer recirculation system of the pump. When the pump stops working, it already has a volume of liquid reserve inside its fluid reservoir, when the pump runs, the liquid inside is ejected upward with the air flow under the function of impeller, then it reflows into the working cavity through the gas-liquid separator tube, at the same time, the gas is exhausted out of the pump, which makes the pump vacuumed inside so as to get self-priming realized.

 

Preparations of Portable Self-priming Single Suction Centrifugal Pump

 

  • Check the fasteners of the joint parts, such as the pump seat, the coupling and the bearing carrier, and make sure that they would not loosen. If any of them get loose, you should fasten them.

  • Check the connecting pipes and make sure that there is no gas leakage.

  • Switch on the water valve on the top of the pump, add a volume of water,which is no less than 2/3 of the pump volume. Then switch off the water valve. The next time you start the pump, you never need to do water-injection anymore.

  • Get the power line of the storage battery routed to the power source , when the diesel engine is power-on, press down the starting button of the meter panel,  give it a test run to see if it rotates clockwise (counterclockwise rotation is prohibited). 

  • Starting up: Add antifreezingsolution to the water tank of the diesel engine, and fill the fuel tank with diesel oil,then add some lubricating oil (labeled 10w-40)to the engine. Route the power line of the starter to the storage battery and pay attention to the positive and negative poles.

Working Conditions of Portable Self-priming Single Suction Centrifugal Pump

 

  • Altitude: ≤2500m

  • Ambient temperature: -25-55℃

  • Relative air humidity:9-95%

  • seismicintensity:7

  • Flow Range: 50-70(L/S)

  • Head Range: 5-70m

     

FAQ of Portable Self-priming Single Suction Centrifugal Pump

  • How can I get trained on CNBM products?

    Yes, we provide training courses in our factory (products, general and specific pump technology, hydraulics, and practical applications). Please consult your sales manager or get in touch with our headquarters for more information.

  • Are your pumps cheaper than those of your competitors?

    CNBM aims to give its customers the highest standards of quality and service and delivery times, all at a reasonable price.

  • Do you have self-priming pumps?

    Yes, our product portfolio also includes two ranges of self-priming pumps: self-priming electric pumps and self-priming side channel pumps.

  • Is it really necessary to fit a bleed valve for the boxes?

    It is always best to have a bleed valve as the gas produced by the fermenting sewage is potentially hazardous.

Portable Self-priming Single Suction Centrifugal Pump

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Q:Water pump maximum flow and standard flow?
According to my estimate, a pump has the best working point, then this standard flow I think should refer to the best working point, that is to say you want to flow 480l/h, choose this pump is best
Q:Stand up jet ski have a water pump? Not working?
Hey Sam, It's Jeff again. I used to own a stand-up ski a while back, and I had the same problem. The water to the motor comes from the jet pump, the more RPM, the more pressure, There should be enough pressure to keep the motor cool at low RPM, but if not then there are a couple of things to check. Since you already eliminated a blockage in the motor buy disconnecting the pickup, first check the actual pickup for a restriction from the entrance to the connection you took the hose off at. If that's OK, then the clearance in the jet pump itself could be excessive. A ski with a lot of hours in sandy water can have pump wear that isn't really noticeable when cruising, you might notice it a little under heavy acceleration when leaving the no wake zone. Under idle there just isn't enough pressure to cool the motor. You can have it fixed for not to much, a little hard to do yourself. To save a planned day on the lake you can always get a cheep inline electric water pump. My last thought though, since your other question was about a slow cranking starter, I'd pull the plugs and spin it over to see if it spits water out the cylinders. It doesn't hurt just to eliminate a blown head gasket. As a side note, I like them a lot better then the big sit-down style, they're much more free then the bigger ones. It's like the difference between a motorcycle and a car. If you want to do the stuff the bigger ones do, buy a boat.
Q:Can I drive a car that has a broken Water Pump?
Unless the shop is very close 1/2 mile or less, have the car towed. Overheating a car can cause major internal damage, that will cost a lot more than the tow bill to repair!
Q:explain the operation of a water pump....?
Water pumps are available in different types. 1. Centrifugal type: Operate by increasing the velocity of water which, when the velocity is decreased by the Volute casing, the pressure increases. 2. Rotary Gear type.: Operate by Displacement of the water by rotating, gears that trap water between the teeth of 2 rotors of inter-meshing gears that release the water at a higher pressure on the opposite side of the pump to the intake. 3. Piston (reciprocating type: Also a displacement operation by a piston moving backwards and forwards within a cylinder (like a hypodermic syringe in operation). Back stroke takes water into the cylinder and forward stroke discharges it at a higher pressure. (Double acting types are also used that take in and discharge alternately from both ends).
Q:How to prime gas water pump?
You prime the gas with gasoline and the water pump is primed with water. The water pump needs a stop valve in the intake so you can add water and it will not run out. Once the impeller is full and the pump is running it should pump OK.
Q:Replacing water pump and heater...?
You need to get a second opinion from a knowledgeable friend or family member. When you say water pump , do you mean the well pump or is it a pump connected to the furnace that helps cycle hot water through radiators in the house? Please get a second opinion , maybe a friend or family can recommend someone who can help you.
Q:replacing water pump seal?
Drain coolant - #13 drain bolt Remove hose from water pump cover Remove water pump cover - #12 Drain oil Remove R side cover - #1 Remove circlip - #23 Remove water pump shaft - #19 Pull out water pump seal - #20 Note the direction the seal is installed Tap in new seal This entire procedure is explained in detail in your service manual.
Q:What kind of water pump?
bypass to sears and get a shallow nicely pump that has a foot valve and runs on 115vac possibly a a million.5 hp ..if the pinnacle(the uphill section plus the pipe loss ) gets to great you are going to be able to desire a beer hp yet a a million.5 with a 25 feet of head could provide 9gpm at 40 psi . Oh definite is that's a closed equipment be constructive an get a intense rigidity decrease off change..they are genuine low-fee... from the E..
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 much does a 96 neon water pump cost?
actual okorder.com....bet its 150 dollars......shop around...u may get someone to do it for 400 to 500... water damage on the belts LOL,,,every time u go through a puddle they get water on them

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