How much pressure the water meter is generally subjected to, and how much is the water pressure gaug

According to the national standards and industry social commitments, the pressure of the tap water pipe network reaches the megapascals that is qualified, which is converted into popular saying, as long as the pressure of the tap water can ensure the height of the ground on the fourth floor, it is considered qualified.

At that time, after the tap water entered the real estate and building, it would be pressurized by the system, for example, a 44-story residence, to ensure the normal water use on the ground floor, but also to ensure the normal water use on the top floor, relying on the water company, which is impossible.

At present, the pressure of the municipal pipe network is general, so the pressure resistance of the water meter is generally not exceeded, and even the high-pressure water meter can only reach 4MPa.

This time you asked, let me tell you, 1 pressure of the water meter can reach a total of 10 meters high, 5 pressures of the water meter can supply a height of 50 meters, and the water meter generally bears 10 pressures no problem.

3 Technical characteristics.

1) Maximum flow rate 5 m3 h

2) Nominal flow rate m3 h

3) Minimum flow rate m3 h

4) Rated pressure 25 MPa

5) Flow accuracy grade.

6) Interface size: KJ13 coal mine standard joint (KJ10, 13, 16, 19, 25).

7) Dimensions: 260, 110, 145(mm, mm), 8) Mass: kg

RHKB type high-pressure water meter Mine dual-function high-pressure water meter SGZ type dual-function high-pressure water meter SGS type dual-function high-pressure water meter are the same kind of high-pressure water meter. Each of our high-pressure water meters will be tested before leaving the warehouse and reach 30 megapascals before leaving the warehouse.

There are only 1200 units on Taobao.

The water pressure of the household water inlet is controlled between kilograms and kilograms, 1mpa and other clear regrets are 10 kilograms, less than kilograms, gas water heaters are difficult to open, higher than kilograms, triangle valves, hoses and other equipment are easy to break. The internal structure of a traditional water meter can be divided into three parts: shell, sleeve and inner core from the outside to the inside. The shell is wide pre-pig iron.

The lower ring chamber is called the "lower ring chamber" in which water exits the water inlet and passes through the lower annular space of the shell.

The water pressure of the household water inlet is controlled between kilograms and kilograms, 1MPa is equal to 10 kilograms, below kilograms, the gas water heater is difficult to open, higher than kilograms, triangle valves, hoses and other equipment are easy to break.

The internal structure of a traditional water meter can be divided into three parts: shell, sleeve and inner core from the outside to the inside. The shell is made of pig iron, and the water exits the water inlet through the lower annular space of the shell, which is called the "lower ring chamber". At the top of this circular space is the "Upper Ring Chamber", which communicates with the water outlet.

At the bottom of the sleeve there is a filter with small holes to filter out the debris in the middle of the water.

There are two rows of round holes on the side of the sleeve, and the position of the holes is exactly opposite the upper and lower ring chambers of the shell. Of particular note is that both rows of holes are tangents along a circle.

The direction is diagonally hit.

Note that the upper and lower rows of holes are in opposite directions. Water flows in the tangential direction from the lower discharge hole, which is bound to form a rotating water flow, which is very important for the work of the water meter. The inner core is divided into three layers: upper, middle and lower, and the upper layer is visible from the glass window, with only the pointer and dial.

In fact, the most important thing is the lower layer, which has a plastic wheel with many plastic blades on the side of the wheel, called "impeller".

The value on the pressure gauge is the unit of pressure.

Also called megapascal.

1MPa means that the pressure on 1 square centimeter is 10 kg, so it is equal to:

kg cm .

MPa. <>

Analysis: 1 megapascal = 10 to the sixth power Pa = 10 to the sixth power Nm, which is equivalent to 100,000 kilograms of weight, pressed on an area of 1 meter.

And 1 meter = 10 to the fourth power of centimeters

This is the equivalent of 10 kilograms of weight pressed on an area of 1 centimeter – this is the pressure of 1 megapascal.

Pressure is not pressure, and you can't just say kilograms – but in practice the unit of 1 centimeter is omitted.

Hence megapascals, which is equivalent to 1 centimeter with a pressure of kilograms.

Generally, the tap water pressure of the urban public pipe network is that the main supply pipe of the water plant will not exceed the high-rise community, the third floor, and the pressure is low

The hydrostatic pressure of the water pipe pressure test is the working pressure of the pipeline, and the test pressure cannot be lower; If the working pressure of the pipeline is less than that, then the hydraulic test pressure should be selected. The barostatic test cannot be used as a substitute for the hydrostatic test. After the pipeline is filled with water, the exposed connection points that have not been backfilled, including the connection parts between the pipeline and the pipeline accessories, should be inspected, and the leakage should be eliminated.

Introduction of pressure gaugesThe length of the pipeline hydrostatic test should not exceed 1000m. For the pipe section with accessories in the middle, the length of the hydraulic test section should not be greater than 500m, and the pipes with different materials in the system should be tested separately. The end of the pressure test pipe section should be checked for firmness and reliability.

During the pressure test, the support facilities are strictly forbidden to loosen and collapse, and the valve shall not be used as a sealing plate.

The pressurization shall be made of mechanical equipment with a measuring device, and the accuracy shall not be less than 1.5 percent, and the allowable error shall not exceed 1.5 percent of the large scale, the range shall be 1.3 to 1.5 times of the test pressure, and the diameter of the dial shall not be less than 150mm.

Summary. Hello, I have seen your question and am sorting out the answer, please wait a while How much pressure is generally under the water meter.

Hello, I have seen your question, and I am sorting out the answer, please wait for a while Hello, according to the national standards and industry social commitments, the water meter pressure reaches megapascals that is qualified, and the conversion into limb disadvantages is only popular saying that as long as the pressure of tap water can ensure the height of the ground on the fourth floor, it is qualified.

Hello experts: How many kilograms of pressure can an ordinary household water meter withstand!

Hello, household water meters are generally achievable.

Hello, probably to 2

Hope mine is helpful to you.

Our residence is an 11-storey house! It is divided into two systems: high zone and low zone! Floors 1 to 4 are the low areas, and the 5th to 11th floors are the high areas.

But now the water company is not under enough pressure! The owner requested that the low and high areas be combined to use the booster pump to regulate the pressure, but the first to fourth layers of rolling liquid have not been set up in each household for a long time! On the fifth to eleventh floors, each household is equipped with a large finch pressure regulating valve.

In this way, we are worried that the water pressure is too high, and the water meter or tank hose cannot withstand the pressure! The water meter or hose cannot withstand the pressure of the high and low areas and breaks! Ask an expert for answers or better advice!

Thank you! Hello, according to your description, it is recommended that you can try the static pressure test, first increase the water pressure to double the maximum pressure of the water meter, and keep it for 15 seconds to check whether there is water leakage and internal leakage! Then increase to 2 times the maximum allowable water pressure and hold for 1 second. Check for water leaks and internal leaks!

Summary. Hello and thank you for your question. 1.

Just look at the value pointed by the pointer of the pressure gauge, and the pointer points to **, which means that the pressure has a few pa. If the pointer is pointing up, it means that 5 kg of pressure has been applied.

When the water pipe is tested for pressure, it will generally be carried out according to the pressure test standard, if the pressure does not change after 60 minutes, it means that the water pipe is fine.

How to see if the water pressure is normal in the water meter.

Hello and thank you for your question. 1.Just look at the value pointed by the pointer of the pressure gauge, and the pointer points to **, which means that the pressure has a few pa.

If the pointer is pointing up, it means that 5 kg of pressure has been applied. 2.When the water pipe is tested to change the pressure, it will generally be carried out in accordance with the standard of the pressure test bending group, if there is no change in the pressure and burial force after 60 minutes, it means that the water pipe is fine.

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It does not matter. Water meter is an instrument that measures the flow of water, most of which is the cumulative flow measurement of water, and is generally divided into two categories: volumetric water meter and speed water meter.

Causes of low water pressure:

1. The design of the internal network of Maoxiaowang.

Old neighborhood. In the early stage of construction, the design of the internal water supply pipe network is more arbitrary, and the factors of the height of the floor and the pressure of the municipal water supply pipe network are not comprehensively considered, and some communities are not strictly in accordance with the construction drawings, in order to reduce costs, some will change the annular water supply pipe network to the tree water supply pipe network, and the reliability of the tree water supply pipe network is poor, because when any pipe section in the pipeline is damaged, all the pipelines below the pipe section will be cut off.

In addition, the end of the tree mesh has a slow flow of water, and the water quality is susceptible to some degree of influence. When any section of the pipe in the ring network is damaged, the nearby valve can be closed and then repaired, and the water can also be used from another pipeline ** user, thus increasing the reliability of water use. Ring mesh can also greatly reduce the hazards caused by water hammer.

2. Floor height.

Some residential areas have multi-storey buildings with attics on the top floor and underground storage rooms, which is equivalent to an "N+2" structure with a high floor.

Increase accordingly. According to the "Outdoor Water Supply Design Code GB50013-2006", the water pressure of residential buildings of this height needs to reach 35 meters of free head, that is, to ensure the normal water needs of residents.

3. Pipe quality.

Most of the internal pipes used by some community developers in the early stage of construction are inferior pipes, and after 3 years of installation and use, pipe bursts and multiple water leaks have occurred one after another, which greatly affects the overall water pressure inside the community; The natural aging of the internal pipe material and the leakage point caused by rust will also lead to the reduction of water pressure in the community;

The diameter of the pipes used in the community is too small, which does not match the scale of the community, which cannot meet the needs of residents and affects the water pressure to a certain extent.

4. Property management.

During the daily maintenance of the community, the internal water supply valve needs to be temporarily closed, and due to various reasons, the valve is not fully opened in place after the maintenance, which affects the overall water pressure.

No, the water meter is an instrument for measuring the flow of water, most of which is the cumulative flow measurement of water, which is generally divided into two categories: volumetric water meter and speed water meter;

Originated in the United Kingdom, the development of water meters has a history of nearly 200 years, when choosing a water meter size, you should first estimate the size and range of flow rates that are usually used, and then choose the type of water meter that is most close to this value as the first choice.

Because the stability and durability of the water meter under the common flow rate are the best, it is more in line with the design requirements. If there is a margin for the water pipe considering the future water flow capacity, the water meter can be selected one level lower in the diameter specification. If the pipe with a diameter of 200mm is insufficient due to the flow rate, a water meter with a diameter of 150mm can be installed.

Hello lz, I'm glad to answer your questions.

The water meter does not affect the water pressure, the gear of the water meter does not affect the water pressure of the water meter, and the water meter cannot change the pressure in the pipe. A water meter is like adding a special section of pipe to a pipe, which is mainly used to measure the flow of tap water per unit of time.

No, the water meter only records your water consumption, and has nothing to do with water pressure.