Advantages of frequency water supply equipment

Frequency conversion water supply, as the name suggests is the frequency conversion technology and the computer control technology a kind of equipment, this kind of equipment has been used in the water supply system, of course, with the development of the times, the technology is more and more advanced, with the continuous advancement of urbanization , Frequency of water supply also plays an important role, then its advantages what? Today, our company's pump experts to explain to you, the advantages of frequency conversion water supply equipment.

First, the frequency conversion water supply equipment, advanced technology, frequency of water supply we can see that its technical characteristics, is the frequency, the main application is the exchange of frequency technology, its core technology is integrated into the frequency control cabinet , The application of this technology is AC frequency conversion technology in another field of experiment and success, and the frequency of water supply is also integrated into the international advanced computer-controlled induction, when in use, more accurate, and more automatic.

Second, the frequency of water supply equipment is also reflected in the advanced nature of its design more intelligent, with the synchronization detection function, according to the water supply pipe network can detect changes in the pressure and flow, which can make judgments and changes, so that Can effectively change the pump speed and work pressure value, so when the water supply, you can achieve a self-regulation of a process, the most important thing is to improve the water supply company's efficiency, but also play a saving effect .

Third, the frequency of water supply equipment is also increasingly wide scope of application, not just limited to some urbanization, there are more applications in the enterprises and rural construction, the effect is very good . And the water supply is relatively large, can support 20-2000 households. So whether it is a large enterprise or a large area can be used, and very affordable.

Article Source: http://www.welpumps.com/pump-knowledge/223.html

The noticeable proceeding of Multistage pump maintenance

Want long-term and effective use of multi-stage pump, in addition to regular multi-stage pump manufacturers, the maintenance of multi-stage pump is also very important. Then you know the maintenance of multi-stage pump should pay attention to what matters? Good maintenance measures, but also can ensure that more long-term use of a multi-stage pump an effective way, today I will introduce you to a few maintenance should pay attention to matters.

First, the maintenance of multi-stage pump, be sure to ensure attentive attitude, ground inspection and inspection of the necessary key parts, multi-stage pump pipes and joints, in general are weak links, so check the Time to see if there are signs of loosening or hand try to see if it is still relatively flexible, so this is the easiest way to maintain.

Second, the maintenance of multi-stage pump, we must regularly add lubricant, because the structure of multi-stage pump is a metal material, so a long time of friction, it will easily lead to mechanical wear, but regularly add lubricant can Reduce the friction between the machinery, it will make the operation of machinery is faster and faster, but also the use of more long-term.

Third, the maintenance of multi-stage pump, be sure to do not work when the rest in the motor does not work, be sure to check the water pipe valve and pressure gauge, the appropriate rest, but also to ensure long-term use of the pump method, And develop good work habits is also very important, often record the pressure gauge information, you can timely feedback some information.

Fourth, the maintenance of multi-stage pump, and its working environment is closely related to the general case, multi-stage pump work is a certain temperature, the general under normal circumstances should be maintained at 35 degrees Celsius, of course, in the Abnormal circumstances, can only afford the maximum 80 degrees Celsius, all must pay attention.

Article Source: http://www.welpumps.com/pump-knowledge/227.html

How to solve the self-priming sewage pump failure

In the daily use of high intensity among the ordinary self-priming sewage pump will inevitably fail, then the common self-priming sewage pump failure which? In the event of failure, how should we exclude it? Down the company's water pump experts to tell you how to solve the self-absorption sewage pump failure.

First, self-priming sewage pump motor does not rotate

(A). Reason:

1 .motor is damaged;

2. power is blocked;

(B). Exclusion method:

1. Repair or replace the motor;

2. Check that the power is on.

Second, the pump is not a liquid

(A) reasons:

1. insufficient drainage;

2. Suction end of a flange, a large number of valves or piping leakage;

3. Drainage port or discharge port fight cap is not tight, or no fight washer inside the gasket;

4. There is no liquid in the container or liquid pool.

(B) the exclusion method:

Check one by one, for exclusion.

Third, self-absorption sewage pump process, head (pressure) is not up to standard

(A) reasons:

1. Voltage is too low, the rated speed of less than;

2. Motor reversal;

3. Bottom filter plug, over-current shortage;

4. Suction end of a flange, valve or somewhere pipeline chronic air leakage, affecting the pump vacuum;

5. Containers or liquid tank too little liquid, and sometimes inhale the air.

(B) the exclusion method:

Check one by one, for exclusion.

Fourth, self-priming sewage pump motor and pump connection parts leakage

(A) reasons:

1. Start instantaneous leakage, the phenomenon disappeared after normal operation;

2. Operation has been leakage (may be sealed device is damaged, or the actual head, pressure and pump parameters of the difference).

(B) the exclusion method

1. Drainage fluid perfusion over, not a fault;

2. If the sealing device is damaged, please consider repair or replacement: If the pressure parameter difference is too large, please consider the re-selection or adjustment of the pump pressure is too high, Actual working pressure.

Article source: http://www.welpumps.com/pump-knowledge/228.html

The usable range and precautions of mud pump

the use range of mud pump

Mud pump with a high efficiency, smooth operation, reliable performance, easy maintenance, small footprint and so on. Since the mud pump has so many advantages, then we know that its use? If you do not know, then Xiaobian to introduce the use of mud pump.

1, in the rural areas mainly for the river mud, feces, river water, pulp feed watering pouring, instead of shoulder to shoulder Tam, and for drainage, drought use, can also car head, on the river mud and other manure production, Can be used for rural simple flow of fire pumps.

2, can be used municipal, chemical, printing and dyeing, medicine, shipbuilding, foundry, food and other industries pumping thick liquid, sewage, paste, flow sand and urban river mobile sludge can also be used as a coal mine to exclude small mud Gravel fluid.

3, if with the high-pressure water pumps, water guns with the composition of mechanized water engineering unit, can be used for land formation, river and pond dredging, cutting and other small water conservancy projects and the losers, and the city's air defense works, underground engineering.

4, fish for clear water pond, fish pond and so on.

the use of mud pump precautions

Mud pump can be used in municipal, chemical, printing and dyeing, medicine, shipbuilding, casting, food and other industries suck thick liquid, dirty liquid, paste, sand and urban river mobile sludge. Then in use, mud pump should pay attention to what use it? Next to introduce the use of mud pump precautions.

1, when the media contains more weeds, wire, wood and other debris, please add filters in the suction port to prevent debris impeller damage.

2, in the suction and other occasions after use should be given to short-term water in order to wash the pump body and pipes.

3, the general operation of 1250 hours, the need for dismantling the pump maintenance, if necessary, replace the wearing parts should not be reused.

Article source: http://www.welpumps.com/pump-knowledge/229.html

S type stainless steel sewage pump models and parameters

Weihu Pump has been dedicated to producing all kinds of sewage pumps and clear water pumps for thirty years. S type stainless steel sewage pump is one of the most popular water pumps in markets. Our S type stainless steel sewage pump of all models has been exported to 58 countries and districts successively. A number of nuclear stations are also using Weihu Pump’s S type stainless steel sewage pumps. Years of research, development and production experiences endow the following advantages to Weihu’s S type stainless steel sewage pumps of all models.

1. Molten pump case

The molten case of the pump is surely thicker than stamped or strengthened stainless steel case. Its wear resistant performance is further enhanced, so that it can be used for a long time in corrosive fluids.

2. Half-open impellers made from stainless steel

Impellers are made from stainless steel, resist acid and alkali. They are half open type, with non-clogging design. They will not be clogged even if there is solid particles, long fibers, waste and old goods in water.

3. Anti-corrosive cable, cable protected from power leakage

It adopts high quality cable, which is anti-corrosive and protected from power leakage. Power or water leakage will not occur even when the cable is broken. It will not be corroded easily and leaks water or electricity. It is both convenient and safe.

4. High quality anti-corrosive sealing

It adopts new mechanical sealing that has acquired national patent, which has excellent performance, and will never wear the main shaft. Meanwhile, fluorine rubber is also used in the sealing to greatly improve its anti-corrosive performance.

5. Anti-corrosive O shaped ring

These small accessories may seem trivial, but their quality should always be strictly required. The series of products produced by our company all uses anti-corrosive O shaped ring, making sure that it is suitable for corrosive fluids. Weihu S type stainless steel sewage pumps have many advantages. Every model of our S type sewage pumps has been sold at home and abroad, wining positive comments from many clients. If you are interested in our Weihu S type stainless steel sewage pump, please check the following parameter table firstly, and contact us for more details.

Model	Voltage（V）	Power（KW）	Outlet diameter（mm）	Rotation per/min（RPM）	Standard flow quantity（m³/h）	Standard lift（m）	Max flow quantity（m³/h）	Max lift（m）	Weight（KG）
50S13-7-0.55D	220	0.55	50	2900	13	7	21	10	20
50S13-7-0.55	380	0.55	50	2900	13	7	21	10	20
50S10-10-0.75D	220	0.75	50	2900	10	10	22	12	21
50S-10-10-0.75	380	0.75	50	2900	10	10	22	12	21
50S15-8-1.1D	220	1.1	50	2900	15	8	23	11	22
50S-15-8-1.1	380	1.1	50	2900	15	8	23	11	22
50S20-12-1.5D	220	1.5	50	2900	20	12	31	18	31
50S20-12-1.5	380	1.5	50	2900	20	12	31	18	31
65S25-10-1.5D	220	1.5	65	2900	25	10	36	16	31
65S25-10-1.5	380	1.5	65	2900	25	10	36	16	31
80S30-8-1.5D	220	1.5	80	2900	30	8	40	14	31
80S30-8-1.5	380	1.5	80	2900	30	8	40	14	31
50S10-18-2.2	380	2.2	50	2900	10	18	32	22	33
65S20-15-2.2	380	2.2	65	2900	20	15	40	22	33
80S38-11-2.2	380	2.2	80	2900	38	11	60	21	33
65S30-15-3	380	3	65	2900	30	15	38	18	55
80S40-13-3	380	3	80	2900	40	13	57	18	55
80S40-16-4	380	4	80	2900	40	16	68	24	57
100S60-12-4	380	4	100	2900	60	12	82	23	57
80S35-25-5.5	380	5.5	80	2900	35	25	80	30	64
100S60-20-5.5	380	5.5	100	2900	60	20	93	27	64
80S50-28-7.5	380	7.5	80	2900	50	28	75	30	68
100S60-25-7.5	380	7.5	100	2900	60	25	91	32	68