Change the old valve to a new one

     In modern residential and non-residential premises can not do without traditional valves, which are designed to block water in cold and hot water supply systems. As a rule, almost all sanitary devices are equipped with valves, to which, in case of need, it is necessary to quickly cut off the flow of hot or cold water.

Modern valves are manufactured, usually from materials such as brass and malleable cast iron. It should be noted that the valves are durable and resistant to harmful environmental factors, which makes it possible to use them for a long time. If the valve body is made of brass, it can easily turn away even after several years of operation. In the event that the head of the valve body is cast iron, then turning it off is quite difficult. The cast iron valve is disassembled by using a blowtorch or gas burner.

The valves are of different modifications, each of which can be used depending on various parameters of the communication system located in a residential or non-residential building. In this regard, to choose the valve that should be installed indoors, it is best to consult with specialists.

Replacement of vertical valves up to 25DU   - 500 rubles.
Minimal plumber work   - 1500 rubles.

In pipelines of modern communication systems, the valves are installed in various locations. As for the valves that introduce cold or hot water into the apartment of an apartment or a house, they are above the tank in the toilet, the floor in the bathroom, and also in a number of other places. In the event that there is a water heater in the room (flowing gas), only a valve for cold water is installed.

Replacement of valves This operation, like the replacement of a valve, is quite time consuming, requiring in some cases a disassembly of pipes of hot and / or cold water supply. If the space in the room where the valve is located is narrow, then it is necessary to wind the valve body, which has a removed head. It should be noted that the saddles of the valves, rather than the saddles of the hulls of the cranes, are rarely destroyed.

Perform work on the replacement of valves should specialized organizations on the basis of special contracts for the provision of similar services.

If the valve is replaced on a riser, it is necessary to shut off the water on it, and then carry out this operation. Under the risers are understood pipelines, located vertically, which permeate all floors of the building. The valve that blocks access to the riser of cold water is usually located in the basement of the building. To shut off hot water, valves are used, both in the attic and in the basement. In this case, it is necessary to disconnect residents of other apartments for a while from water supply, so it is necessary to inform them in advance about this.

Replacement of valves in the apartment

  Considering the fact that the replacement of the valves in the apartment is not a very simple operation, the pricing for its implementation depends on a number of factors, including the location of the apartment, the location of the valve and its variety. Usually such operations are carried out by ZhEKi, but not in all cases, it is possible to obtain from these organizations timely and high-quality performance of these works. Therefore, many residents turn to companies that can perform work on replacing risers quickly and efficiently.

One of the most common types of gas pipeline repair is the replacement of a gas crane. The crane wears out after prolonged use and starts to pass gas and for this reason it leaks in the apartment. As you know, gas leakage is one of the most dangerous malfunctions in the gas pipeline. If you smell gas in the apartment, you should check the gas cock with soap foam. Apply it to the connection with the pipe and the valve itself. If in some place the foam swells (forming a soap ball), this indicates that there is a leak in this area. In such cases, you should immediately contact a specialist to replace an old, worn out crane.

You will need

• - gas cock (if necessary, this should be specified when calling the gas service);
• - documents (gas supply contract, technical passport).

Instructions

Call specialists from the gas service or a private organization that has a license to perform work on this profile. On the phone, report the type of malfunction and make a request for replacement crane.

Buy a crane in a specialized store. Experts advise to purchase ball valves mom-mama (nut-nut), since it is the most reliable in operation and the service life is much longer than that of cork. This makes it possible to establish a dielectric insert.

Prepare a gas supply contract and a technical passport (it will be marked with a gas service worker stamped to replace the gas crane).

Light the gas and close it with a tap near gas meter   . Leave the burner on until it fades completely. The attenuation of the burner means that all of the gas in the pipe is burnt out. Now, upon arrival, specialists will be able to immediately begin replacing crane.

In the room where the repair work will be carried out, open the window. This should be done in case of a gas leak. It is desirable that the windows were opened several - to create a draft that will quickly ventilate the room from the gas.

During work, you are near people who are replacing crane. Watch for the correctness of the work and safety. If you think that the employee can tolerate a gas leak, warn him in advance.

Along with specialists, check the established crane   to a gas leak. Make a test inclusion of the burner plate.

Provide a technical passport and ask for a replacement note. crane   and work on the pipeline.

Leave the windows open for 15-30 minutes to fully ventilate the room.

In any living room there are several valves for the possibility of emergency shutdown of the supply. The valves are present in the water supply, heating and gas supply systems. The replacement of the valve of any system is done independently or with the help of specialists. How to do the work yourself, read on.

Replacement of the water supply valve

To replace the valve in the water supply system of an apartment or other living quarters, it is necessary to block the flow of water.

If you are replacing a faucet that is part of the wiring in the apartment, such as a toilet bowl or washing machine, you can close the tap located on the riser.

If it is necessary to replace the tap located on the riser, then the water supply must be blocked in the basement of the house. This will require the help of an employee of the management company or housing office.

Preparing for replacement

At the first stage it is necessary to prepare:

• a new valve;

To select a new valve is more appropriate in full accordance with the old device. Values ​​such as valve diameter, throughput, diameter and thread pitch must match.

• two adjustable or wrench. When selecting spanners, it is important to choose their dimension correctly (in accordance with the sizes of the fixing nuts);
• sealing material. For water, the most commonly used FUM tape or thread Tangit Unilok.

Replacement procedure

Replacement of the valve on the standpipe or wiring of water supply is carried out according to the following scheme:

1. after shutting off the water supply, all the valves must be opened in order to drain the liquid from the pipes;
2. the old valve is dismantled:
   • if the tap is installed on a threaded connection, then with the keys, it is necessary to loosen the fixing nuts;
   • if a crane with a flange connection is installed, then to loosen the device, loosen the bolts fixing the fixing flanges;
   • if the tap is soldered into the pipes, additional equipment for pipe cutting will be required when replacing, otherwise the valve will not be dismantled;

1. the pipes in the installation site of the valve are cleaned of various kinds of contaminants;
2. a new locking device is installed:
   • if the threaded method is used for installation, it is necessary to seal the thread before installing the valve;

FUM tape or thread Tangit Unilok is wound clockwise. To seal the tape, it is sufficient to apply 3 to 5 turns. To seal the thread, all threads are covered.

• if a flanged tap is mounted, no additional sealing is required;
• the welded valve is installed using a special device for;

1. the tightness of the obtained compounds is checked.

How to replace the tap installed on the thread, see the video.

Replacement of the heating valve

Replacement of the valve on batteries occurs in a similar way. To carry out the work it is necessary to drain the water out. This operation is carried out with the help of the staff of the housing office or the operating management company.

Replacement of the valve in the gas pipeline

Replacement scheme

The replacement of the valves in the apartment on the gas supply pipe is as follows:

1. preparation of materials. To carry out the work you will need:
   • new valve, matched to all parameters;
   • two adjustable wrench;
   • means for sealing joints (linen thread and graphite grease);
   • stub (required if the work is done by one person);

1. before replacing it is necessary to cut off the gas supply of the room. To do this, the old tap must be moved to the "closed" position, that is, perpendicular to the pipe. Then it is necessary to remove the gas residues from the pipeline (for example, to burn it with a plate hotplate);
2. the old valve is dismantled:
   • if the valve is installed on the thread, then the fixing elements are loosened;
   • if the valve is installed by welding, the device is cut from the gas pipeline;

1. a plug is installed at the end of the pipeline. If the work is done by two people, the pipe can be damped with a finger;
2. the thread is treated with sealing materials. For the strength of the connection and the smooth running of the valve over the linen thread, a graphite lubricant is applied;

1. a new faucet is mounted.

For safety reasons, the gas valve must be replaced in a well-ventilated room and with electrical appliances switched off.

Leak testing

After installing the valve on the gas pipe, it is required to check the tightness of the received connections and the device itself. Determine the presence of a gas leak can be as follows:

1. a saturated soap solution is injected. To do this, the maximum amount of any soap should be diluted in water;
2. with the help of the sponge, the joints and the valve are coated with the solution obtained.

If the connection between the valve and the pipes is not sealed, soap bubbles will form.

Replace all the valves in the living room yourself. For the work required a minimum of knowledge and a small set of tools.

Facebook

Twitter

In contact with

Classmates

Google+