DB Series Vortex Pump for Water Supply With Rewindable Motor

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Product Description:

Specifications

cast iron pump body 
stainless steel mechanical seal 
brass impeller 
protection IP44 

TYPEPOWERQ.RATEH.RATEOUTLETN.WPACKING DIMENSION
KWHPL/MINMINCHKGMM
DB-125A0.150.232301"5280*165*175
DB-330A0.370.540351"5.5280*165*175
DB-550A0.550.7550501"8.5320*175*190
DB-750A0.75150601"10325*160*200


 

◊ Application

 

For the correct functioning of the pump , use to pump clean water ,or non- aggressive liquids only , without sand or other impurities, such as :

1. Tank filling

2. Agricultural irrigation

3. Water transfer

4. Industrial using

5. Domestic water

 

 

◊ Working Conditions 

1. Suction lift up to 8 m
2. Liquid  temperature up to +35°C
3. Ambient temperature up to +40°C
4. Max. Working pressure: 6 bar

 

◊ Construct

Pump body: Cast Iron

Housing: Alloy Aluminum

Impeller: Brass/Plastic/SS

Motor: Electric Motor

Shaft: 45# steel/ stainless steel welding

Insulation : Class B ( Class F if you required)

Protection : IP44/IP54

Cooling: External Ventilation

Mechanical Seal: Carbon/Ceramic/Stainless Steel

 

◊ Warrnty : 1 year

(according to our general sales condition)


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Q:On demand water pump?
RV section is probably under cars and transportation, others. On demand pumps are quite common and used in many RV's.
Q:Suzuki 1982 DT8 Exhaust in barrel affect water pump?
i agree with richard. get a hose attachment, a set of earmuffs and run it with them. you wont be able to see water exiting the prop shaft area with the motor in a bucket. hte indicator, where the motor normally pisses to show its pumping water, those sometimes get clogged and need cleared out. it is possilbe for the motor to suck air, or exhuast, instead of water, if a gasket is bad around the impeller. in addition to the gaskets normally changed, there are more gaskets underneath that. usually, those gaskets only go bad if the motor is overheated to the point that the old impeller housing shows signs of excessively high temps. if the old housing was half metled, id go ahead and pull it apart and change the other gaskets too. but the exhuast chooses to exit that port becuase its easier to go out there then through the water. and you see water exit with it, so you know it is pumping water up into the motor. i'll also point out this much. if you are unsure, take it to a proffessional. you can total your motor by operating it without a properly working cooling system. paying a pro to fix it right is much cheaper then a new motor.
Q:Can you diagnose my well water pump problem?
Hi. You could have a pressure tank that is in need of replacement or adding air to. The air cushion in the tank has either become compromised or has disappeared completely leaving no air cushion to let the pump build up pressure against. The pump is basically running every time you use even the smallest amount of water and this will basically cause the pump to self destruct. The next thing you may have is a bad pressure switch that is both causing the noise and the pressure variations from the nature of the points being bad. This is not expensive to fix. Under forty bucks. The other fix may run into the several thousands. Sorry. Hope this helps.
Q:Could my problem be with the water pump?
Sounds precisely like your water pump. I had the identical predicament with a cavalier. The pump shoud be around $30 to $50 or so. Price to alter? Quite often around $one hundred to $150. Might be extra so don't quote me on that. Every keep has their own hourly cost.
Q:Pump frequent start will reduce the service life, I ask what kind of frequency is called frequent start?
Pump is the same, often start, not just reduce the service life of the pump, motor, contactor life will be shortened.
Q:does coolant flow through the water pump?
You will probably need to replace your water pump. It supplies all of the coolant for your entire engine
Q:The efficiency of water pump frequency conversion is very low, why?
Pump power frequency operation, speed is rated. Frequency conversion actually adjusts the speed of the pump (the speed becomes smaller), and the flow of the pump moves parallel and downward. As for efficiency, it depends on the operating conditions of the pump. Does it deviate or run to the minimum efficiency position of the flow curve of the pump?.
Q:my rv water pump runs for a short time and then shuts off .?
Most RV water pumps have a pressure switch. They shut off a few seconds after you initially turn them on because they have pressurized the line. Once you open a water valve (faucet/toilet) the pump will start running again. Low flow could be caused by the size of the pump, size of plumbing, or line blockage.
Q:Explore the flow of water pump production process is like?
You should go to the water pump factory visit, than to a vivid books. General settings are specific parameters - three view - model making - modification - Roughing - semi finishing - finishing - material quenching - heat treatment - carburizing - Black - assembly - spray painting - Inspection - Labelling - packaging.
Q:How can the pump be stationary?
1, the pump bearing lubrication interruption, bearing burn.2, locking the rotor is jam.3, foreign body corrosion serious impeller lock.

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