Water Supply System with No Negative Pressure

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Range of use of Water Supply System with No Negative Pressure

1. In order to adapt to the social development with the improvement of the living standard and qualit.

2. Additive pipe pressure (negative pressure) water supply equipment emerge as the times require, the device makes full use of the municipal pipe network pressure superposition, pressurized water supply, .

3. Superposition of pressurized water supply, small occupation of land, energy saving and environmental protection.

4. Tank structure superposed pressure (without negative pressure) water supply equipment long time over the municipal pipe network water supply operation condition of water use in the user, because the regulating tank storage capacity is limited, can not guarantee the normal water use of users, as well as the municipal pipe network short water, be no water available to the problem, in order to make the equipment performance to be more perfect, the company in on the base of original technology developed a new generation of the network pressure superposed water supply equipment of BW (III) type pipe network pressure superposed (non negative) frequency conversion water supply equipment.


Working conditions of Water Supply System with No Negative Pressure

1. Environment temperature: 4 Centigrade ~40 Centigrade

2. Relative humidity b):<90% (20 Centigrade), outdoor allow 95%, without dew;

3. Vibration:<0.5g, vibration frequency 10Hz~150Hz, the maximum acceleration should not exceed 5m/s2;

4. Tilt:<5 °

5. Frequency: 50 Hz ± 5%;

6. Power supply voltage: 380V ± 10%;

7. Altitude: Not more than 1000m;

8. Equipment operation site should be no conductive or explosive dust, non corrosive metal or gas insulation failure or steam;

9. Pressure precision:<0.01mpa;< p="">

10. Ressure range: 0~2.0Mpa J);

11. Flow range: 0~600m3




Q: Where do I have to send pumps for service?

A: You must send them to the CNBM PUMP Service Point or, after contacting Customer Care, to the CNBM PUMP service center in China.

Q: Are your pumps acid-proofed?

A: To choose the right pumps for chemical applications, we do need further details on hydraulic operations as well as on the type, concentration and temperature of the liquid.

Q: Can your pumps mount Eff.1 motors

A: Currently, only on request though this will shortly be a CNBM standard.

Q: Are your pumps protected against dry running?

A: No, unprotected centrifugal pumps are not generally designed for dry running. It is important to give us or your dealer as much information as possible about the system in which the pump is used. Inlet pressure, the type of liquid to be pumped, together with relative density, viscosity and temperature, for example, are required in order to allow CNBM to recommend the right pump with the right gaskets for a long operating lifetime.

Q: How can I get trained on CNBM products?

A: 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.

Q: Are your pumps cheaper than those of your competitors?

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



Water Supply System with No Negative Pressure

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Q:will a electric generator work in a water pump?
if it is powerful enough to power the pump then yes.
Q:How much can you safely restrict a water pump's flow?
ditto to magic
Q:Why can't vertical water pump use spring shock absorber?
Vertical pump can use spring shock absorber, because the bottom of the vertical pump installation area is small, so many people feel that it can not install spring shock absorber, actually not, and now there is a vertical pump can use the shock absorber;Introduction of spring shock absorber for vertical pump;1 、 spring cover and spring seat for the combination of butyl glue and cast iron, and after baking treatment, good weather resistance.2, according to simple installation, bolts can be used to adjust the height and level.3, can be matched with the pedestal design, can be used in various types of machinery and equipment.4, applicable to all types of pumps, fans, air conditioning boxes, pipes and so on.
Q:Can a car turn off due to water pump?
if the water pump was bad the car could over heat then shut off on its own. have the car checked by mechanic if it over heats you can warp or crack the block or heads and if they are warped or cracked you will probably spend more on what the car is worth to fix so make sure to have a mechanic check out the vehicle before buying.
Q:2004 Grande Am water pump?
better make sure it,s not the belt squealing and not the pump. usually when a water pump goes out they will leak. i would be checking the belt first.
Q:water well pumps?
It should be possible, it would be best if both pumps were identical. They should be hooked up in parallel to increase flow rate.
Q:How does water pumping work?
Usually they look for an underwater spring or reservoir, then they drill or dig into it. From there, they either instal a pump or use it as a well. As for how it works, refer to water pressure.
Q:Pump flow 6M3/H is an hour, how many tons of water?
Flow 6M3/H, that is, an hour can smoke 6 tons of water. But according to the power, head and flow calculated by formula, the water pump efficiency is 98%, can it be achieved?
Q:how serious is a broken water pump on a 95 mazda 626?
do it yourself or pay someone else? call different shops in your area for a estimate before buying it call more than one on the sly from my experience, on the low side, about $300 up to about $500 but $800 is a good cheap deal for a 95 model and Mazda is a good car that lasts forever and is good on gas but he may be lying to you, it may very well be the headgaskets actually leaking........$1200
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.

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