According to safety rules, the installation of a gas stove in an apartment should only be carried out by gas service employees or companies that have a license to carry out this work. Gas hob must be registered, after which every 6 months service workers conduct a preventive inspection of this unit. That's why independent connection gas stove in accordance with the standards developed regarding gas equipment, you face a fine. But if you connect the gas stove with your own hands and do not use it, but call a specialist to check the quality of the connections and register the connection, then this option has a right to exist.

Before connecting a gas stove in an apartment, you need to complete several stages of work. Replacing a gas stove begins with its dismantling. Before changing the unit, you need to lowering valve was blocked.

After shutting off the gas supply, you can unscrew the (pipe) from the stove. Next, you need to loosen the lock nut located on the lowering clutch and unscrew the clutch itself.

Replacing the faucet

When replacing a faucet, if you decide to change the stove in your apartment yourself, you will need to be quick and accurate, since gas will flow out of the pipe into the room when the old valve is unscrewed. In this situation, there is nothing to fear if you follow basic safety rules (no open fire in the room, wide open windows).

Before starting the faucet replacement procedure, you should prepare the following:

• small sizes piece of fabric to make a temporary plug for a pipe out of it - before plugging the drop, it should be well moistened with water;
• ball valve, which will be installed instead of the old one, must be moved to the “closed” position and the handle removed from it (for ease of installation);

• necessary wrenches and sealant for threaded connections.

Now you can start replacing the gas valve.

1. It is necessary to open the window or window as wide as possible to ensure good ventilation of the kitchen.
2. Unscrew the connected (old) faucet from the drop and quickly plug the pipe hole with a wet rag.
3. If there is any remaining on the thread where the valve was installed old sealant– remove it and wind a new one.
4. Remove the “plug” from the rag and quickly screw the new valve onto the thread. Tighten the tap with a wrench using reasonable force.
5. To check how tight the connection is, use soap solution. It should be applied to the joint. If you see inflating bubbles, this means that there is no tightness and there is a gas leak. In this case, you should unscrew the tap and apply a little more sealant, and then repeat the check.

Hose connection

The hose is connected to the tap using a similar method: a sealing material is wound onto the thread, the nut is tightened with a wrench, and the connection is checked for leaks (after closing the other end of the hose with your finger).

The flexible hose, after the installation and connection of the gas stove is completed, should not be hidden behind permanent panels or drywall. It must be easily accessible for inspection.

As a rule, when purchasing a stove, it is not equipped with a flexible connecting hose. How to properly connect a gas stove in such a situation? It's necessary buy in a special store, and when choosing, observe the following rules:

• the hose must be solid (no joints are allowed);
• to install a gas stove, the length of the hose must be selected so that there is no tension, that is, with a small margin;
• It is not allowed that after connecting the gas stove there are kinks in any place;

• installation of a gas stove must be carried out using a special hose - gas; connecting other types is prohibited.

The following hoses are available for sale, both rubber and with a metal casing:

To seal, before installing the gas stove yourself, you should insert washers made of paronitis, but not made of rubber. Either fum tape or Loctite 55 thread is wound onto the thread, which instantly seals the threaded connections.

If you are going to connect a gas stove yourself and have bought a gas-powered hob and an electric oven, then when installing a metallized hose you must use a dielectric coupling.

This is done so that if the metal braid accidentally touches the oven body when the installation of the gas stove is completed, it does not accumulate electric potential which may damage the hose. The unit is connected in the same way, if as hob an electric stove is used, and the oven is installed, running on gas, or.

Rules for installing the stove

Before installing a (new) gas stove, it must be removed from the packaging. First, remove the cardboard protective box and pull it out from under the stove. wooden stand on which it was transported. Next, do the following.

1. Remove all elements that come with the unit: baking sheet, wire rack, roasting pan, tray and others.
2. Screw the legs that come with the device to the unit.
3. Place the device in a prepared place. Installation requirements require leaving a small gap from the wall to properly connect the gas stove.
4. When installing the unit, you must use building level for precise horizontal positioning of the device. Adjustment is made using twist-out feet, which allow precise positioning. installed unit in a horizontal position.
5. To connect a gas stove with electric ignition, there must be a grounded socket.

For clarity, the figures below show a connection diagram for a gas stove.

Using these recommendations and the diagram, you can do it yourself by connecting not only the gas stove Hephaestus, Lada, Zanusi, Mora and Darin, but also another model. It should be remembered that only when correct connection of this device to the gas pipeline in the apartment, subject to all requirements, is possible. Well, to document the safety of the installation, you need to call a specialist from the relevant service. In the absence of a stationary gas pipeline, it is possible.

Shut-off valves are mandatory element gas pipelines, and it is used both for external highways and for internal systems. As a rule, a ball gas valve with a diameter of 2 - 1 2 inches is used for domestic gas pipelines.

Below we will take a closer look at the features of these devices and their differences from water taps.

Peculiarities

So, in gas pipelines in Lately use special Ball Valves. These devices are designed to completely shut off or open the gas flow. The peculiarity of these devices is the locking mechanism, which is made in the form of a ball with through hole. Moreover, the diameter of the hole coincides with the diameter of the pipeline ().

To block the flow, the ball is rotated so that the hole is perpendicular to the pipeline, i.e. it needs to be rotated 90 degrees. The locking mechanism is controlled using a lever. Tightness is ensured by rings made of soft and durable materials.

Ball valve with a diameter of 3 - 4 inches

Differences from plumbing fittings

It must be said that the external difference between a gas tap and a water tap is that the lever has yellow, not red.

There are much more structural differences:

• They have a more durable body, which is made of special types of steel or brass with a high copper content.
• They have a longer connecting thread.
• The locking mechanism is made of particularly durable chrome-plated or nickel-plated material.
• The rod is made of durable polymer material.
• These taps can withstand greater pressure than taps.
• O-rings are stronger and provide a better seal.

Note! Even though the price gas taps higher, they cannot be replaced with plumbing fittings, since the savings can be very expensive. But it is not prohibited to use gas shut-off valves instead of water valves.

In general, all the differences between a gas tap and a water shut-off valve are: increased level tightness. The remaining points are not so important in domestic gas pipelines. Therefore, in principle, any valve that meets tightness class “A” can be used for a gas pipeline.

Features of application

As a rule, shut-off valves for gas pipelines are installed in the kitchen, i.e. where gas equipment is used. Moreover, a separate valve is installed for each source of consumption.

For example, in houses and apartments where gas stoves and water heaters or boilers, I install separate gas taps for stoves and other devices. In addition, one common valve is often installed at the inlet, which allows you to completely shut off the gas supply.

It must be said that shut-off valves are used not only to shut off the flow, but also to control it; for example, a gas three-way valve allows you to redirect the flow from one pipeline to another. True, such devices are not used in everyday life.

Advice! When supplying a home with bottled gas, there is no need to install general shut-off valves, since a valve is always mounted on the cylinder to shut off the gas.

Types of ball gas valves

In addition to the fact that the shut-off valves in question differ in diameter, the differences lie in the installation method. The following types of devices are most often used in gas pipelines:

Advice! In addition to ball shut-off valves, there are also plug valves. However, they have less reliability and durability, so they have been used very rarely recently.

In the photo - welded shut-off valves

Manufacturers

Gas pipelines are one of the most critical housing systems. Therefore, special attention must be paid to the selection of all its elements, including shut-off valves.

It is advisable to purchase products only from well-known, well-established manufacturers.

In particular, you can give preference to cranes from such Italian companies as:

• Bugatti;
• Valtec;

In addition, they differ good quality products from the following companies:

• Dungs - Germany;
• Profactor - Germany;
• Broen Ballomax – Poland;
• Efar – Poland;
• LD – Russia.

Advice! You should not buy the cheapest gas valve, since there are a lot of low-quality fittings from China on the market, which do not always meet all the requirements for gas shut-off valves.

Features of replacing a gas tap

Sooner or later, any shut-off valve may fail; in particular, gas taps are not immune to failure. If a malfunction of this device is detected, it must be replaced immediately.

It should be said right away that doing this work with your own hands is prohibited! However, you still have to perform some actions yourself.

So, the instructions for replacing this shut-off valve are as follows:

• First of all, you need to report the problem to specialists from gas service or a private organization that has a license to perform such work.
• Then you need to buy a new faucet from a specialty store. You must first measure the diameter of the pipeline so as not to make a mistake when choosing a product.
• Before the arrival of specialists, you should prepare a technical passport and a gas supply contract. A technical passport is needed to make notes on the work performed.
• Then you need to light the gas on the stove and turn off the central valve. The burner should be left until it goes out completely so that all the gas comes out of the pipeline.
• When specialists arrive, you need to open several windows to create a draft in the room. This is necessary in case of a gas leak.
• After completing the work, you should, together with specialists, check the installed shut-off valves for leaks.
• At the end of the work, you need to provide the service workers with a technical passport and ask them to make a note there.

Advice! You can detect gas leaks using soap foam. It must be applied to the connection points between the device and the pipeline, as well as to the valve itself. If a soap ball forms in some place, it means that the shut-off valve is leaking gas.

After completing the work, you should leave the windows open for another 15-30 minutes, which will ensure complete ventilation of the room.

Conclusion

Currently, they are widely used in domestic and industrial gas pipelines. This is due to the fact that they are reliable and durable. The only thing is, when choosing which gas tap is better, you should give preference to more expensive devices from famous manufacturers, since cheap products may not meet the required quality.

You can get some additional information on this topic from the video in this article.

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Gas pipes in the kitchen: is it possible to redo the supply to the stove?

This article is an attempt to clearly explain that a resident apartment building can do it with his own hands with the internal gas pipeline in his apartment. I will pay attention to the restrictions set out in regulatory documentation, and I’ll tell you about my own practical experience regarding how and with what you can move the gas pipe in the kitchen. So, let's go.

Hands off!

First, about the prohibitions. Yes, dear reader, I have no doubt that you are full of enthusiasm and eager to carry out the transfer gas pipe in the kitchen on your own. However, please take the restrictions I have listed as seriously as possible:

• You cannot move the gas riser in the kitchen. All you can do is change where the tap attaches to it or the length of that tap;

• You cannot use polyethylene or other materials indoors. plastic pipes . SNiP 2.04.08-87 in paragraph 4.85 directly states that polyethylene is prohibited for laying in residential buildings, and in paragraph 6.2 it states what materials should be used;

Excerpt from SNiP: gas pipelines made of steel pipes should be installed inside buildings and structures. To connect gas appliances, it is permissible to use rubber or rubber-fabric hoses (read: reinforced gas hoses). However, it is still recommended to use hard eyeliners.

• Do not close general plug valves, ball valves and gate valves on gas supply inlets and risers. If at the time you turn off the gas, someone is cooking food, the fire will go out, and after starting it will continue to flow into the kitchen. The result of such a development of events is usually described in TV reports by random witnesses: there is no one among the residents to tell about it;

Captain Obviousness suggests: for any work related to disconnecting the riser and carried out by gas service specialists, it is necessary that the residents of all apartments be at home. When launched, all residents are notified about it personally.

• Finally, the main thing: PB (safety rules) 12-368-00 prohibit any gas-hazardous work carried out by persons who have not undergone instructions and exams on safe work methods.

Simply put: only a representative of Gorgaz or a licensed gas equipment servicing company should connect any gas appliances.

What will happen

If you are incredibly lucky and, without the necessary knowledge and practical experience, prevent a gas leak, your amateurishness will be revealed during the first scheduled inspection of gas equipment by representatives of the gas service.

The consequences are unpredictable: they can either turn a blind eye to the work you have done or draw up a report on an administrative offense that endangered the life and health of people.

Worst case scenario... Comrades, I won’t spoil your mood. Everyone knows what a gas explosion in a residential building is.

A drop of tar

There are two reasons:

1. Deadlines. Drawing up a project and its approval may take three to four months;
2. Price. The project together with the work will cost from 10 to 40 - 50 thousand rubles.

Just shh

So, what to do if you still really can’t wait to move the gas stove or shorten the gas pipe outlet?

Theory

No, no, mon ami, don’t rush to pick up the keys and a hacksaw. First, a little tedious, but necessary to familiarize yourself with the regulatory requirements.

The standards for gas pipes in the kitchen are set out in the document I have already mentioned - SNiP 2.04.08-87.

• Gas distribution in a residential building must be carried out mainly on welding. Threaded and other detachable connections are permissible only at connections to shut-off valves, gas meters and consumer devices;

WITH practical side for us this means that the internal gas pipeline in the apartment cannot be assembled from pieces. It’s really not worth climbing to a gas pipeline with welding without being able to completely turn it off.
One more nuance: this clause of SNiP does not prohibit the use dismountable connections completely, but only recommends abstaining from them.

• All detachable connections must be made in places accessible for inspection and repair. In a non-separable kitchen furniture there is no need to hide them;
• The gas pipe must be laid, as a rule, openly;
• If there are several gas consumers, shut-off valves must be installed in front of each of them;
• In places where people pass (for example, above or in the hallway), the gas pipe must pass at a height of at least 220 centimeters. What the instructions are related to - I think there is no need to explain;
• It is recommended to paint steel internal gas pipelines to protect against corrosion. At the same time, the decor of the gas pipe in the kitchen or hallway must be waterproof.

Practice

After the tap

First and foremost: in the vast majority of cases, there is no need to saw or cut anything. To move the slab, it is enough to extend the line between it and the shut-off valve. To hide an untidy steel liner, you can simply build a cabinet around it (of course, collapsible or with wide-opening doors).

How can you attach a stove or other gas appliance without violating SNiP regulations?

Corrugated stainless pipe. In this case, the key requirements will be met:

• The line to the device will be rigid (corrugated stainless pipe obviously has nothing to do with hoses);
• The wiring will be done steel pipe. Who will say that stainless steel is not steel?

When the corrugated stainless pipe has not yet appeared on Russian market, I have successfully transferred gas stoves with oxygen or acetylene hose on steel or brass fittings.
An aluminum clamp for a screwdriver was used to secure the hose to the fitting.

Stainless steel connections are mounted on compression fittings: the pipe is inserted into the fitting with a loosened union nut, after which it is tightened and compresses the pipe with a silicone seal.

The threads on the connections of the fittings with the stove pipe and the tap are wound with FUM tape.

When starting up, all detachable connections must be checked for gas leaks: soap foam is applied to each of them with a shaving brush. If it bubbles, the connection needs to be rechecked.

Do not check connections with a lit match. It's not a matter of safety: for a gas to explode, it needs to be mixed with air in sufficient concentration.
The fact is that in low concentrations, with minor leaks, it simply will not ignite.

Replacing the faucet

Soviet-style gas plug valves are not particularly easy to use and require regular maintenance. In particular, the plug must be generously lubricated. The lubricant fills the grooves, preventing gas leaks, and reduces the force required to turn the plug.

Is it possible to change the faucet yourself?

If so, the rate of gas flow from the pipe will be minimal, and the pressure will not interfere with installing a new valve instead of the old one.

The replacement algorithm looks like this:

All work is carried out only with the circuit breakers in the electrical panel turned off and the windows wide open.
Violation of this simple and clear rule may lead to a gas explosion.

What should I replace the gas tap with? On a modern cork. Its purpose specifically for gas is indicated by the yellow markings on the handle.

Thread cutting

How to cut and thread a gas pipe in the kitchen?

If safety rules are properly observed, this work is no more dangerous than the previous one:

1. We prepare the tool - a hacksaw for metal, a coarse file and a die according to the diameter of the pipe (as a rule, the connection to the plate has a size of DN 15). In addition to the tool, you will need FUM tape and any lubricant - up to motor oil or diesel fuel;
2. We make a wooden or rubber chopper according to the size of the pipe. Its dimensions should not prevent you from cutting a thread on the outer surface of the cut liner;
3. We cut off power to the entire apartment. Precisely with automatic machines, and not with switches and cords pulled out of the socket. Any accidental spark can lead to fatal consequences;
4. We open all the windows in the apartment wide;
5. We disassemble the squeegee, remove the tap and insert the chopper in its place;
6. Using a file, remove the outer chamfer on the pipe at an angle of 15 - 20 degrees to its longitudinal axis. This will be the approach for the die;
7. Lubricate the approach and the first few centimeters of the eyeliner;
8. Place the die with a guide frame onto the eyeliner;

1. Pressing it to the pipe, we make an entry and cut five threads;
2. We wrap the thread with FUM tape;
3. We take out the cap and immediately screw the tap onto the thread.

Conclusion

Comrades, I remind you once again: working with gas equipment is an area where amateur activity is truly dangerous. Just don't forget about it. As always, the video in this article will bring to your attention Additional materials. Feel free to share in the comments own experience. Good luck!

A positive feature of Soviet gas taps is their long service life and maintainability. However, such a faucet requires regular maintenance, since the tightness of such a device is ensured by grinding the faucet plug to the body; read more about this in our article.

The appearance of a gas smell in the area of ​​the plug valve is not a reason to replace it, but you will still have to call a gas service representative to eliminate the cause of the leak.

This article describes step by step the process of revising the two most popular gas plug valves: coupling and tension. Please note that this article is not a call to action, but is offered solely for informational purposes, since gas-hazardous work must be carried out by specialized organizations that have the necessary permits. It will be useful to those who want to personally verify the quality of the tap inspection performed by the gas service.

Preparatory work

Before you begin inspecting the gas tap, you need to find out whether the tap is actually the source of the leak. To do this, you need to wash the tap by applying foam to the connections. We find places where gas is leaking to make sure that the valve is indeed the cause of the leak.

Note. The hose leading to the gas equipment was specially removed to show that a gas leak from the outside very often means that the tap itself is leaking. Therefore, the options are to coat the body with lubricant on the outer surface, seal it with plasticine and others traditional methods do not completely solve the problem, but only create the illusion of security.

To carry out an inspection, there is no need to remove the gas valve from the gas pipeline. In this article, this is done solely for clarity of the process. However, it is necessary to shut off the gas supply to the gas pipeline and relieve the pressure, and also warn neighbors so that they turn off all gas-consuming appliances!

Necessary tool

To perform the audit you will need the following tool:

• wide flat screwdriver
• open-end wrench № 17
• lubricant for gas valves
• rags

Note. In the absence of a special gas lubricant, it can be completely replaced with graphite lubricant. It is undesirable to use solid oil, since its properties are highly dependent on temperature.

Inspection process of a plug cone coupling valve

Use a flat-head screwdriver to unscrew the screw plug.

We take out the spring.

Use a flat-head screwdriver to slightly turn the tap plug, pressing on it. Use the finger of your other hand to hold the plug. When it jams, you can tap the screwdriver a little with a hammer.

Note. Do not damage the inner surface of the faucet with a screwdriver and do not drop the plug to avoid scratches and nicks!

We take out the plug.

We wipe the faucet body and plug with a rag. Dried grease can be removed with gasoline or alcohol.

Using a screwdriver, remove the remaining old grease from the plug.

Apply a thin layer of lubricant to the plug.

Place the lubricated plug into the housing.

We fill the grease into the cavity where the spring is located.

Place the spring in the groove of the plug.

Lubricate the threaded plug and screw it into the housing several turns with a screwdriver. The spring should fit into the groove on the plug.

By tightening the screw plug with a screwdriver, we adjust the smoothness of the tap. We check by turning the plug with a screwdriver. The tap should not turn with force, but it should not move too easily.

The inspection process of a plug cone tap through tension

Holding the tap plug with a handle, use the 17th key to unscrew the locknut and the nut in turn.

Remove the limit washer.

We press the pin on the plug with our finger, turning the plug with a handle. When the plug jams, you can lightly tap the stud with a hammer, after screwing the nut onto it first, so as not to damage the thread. You need to hit the nut!

We take out the plug.

Cleaning the plug and body, followed by lubrication and assembly, is carried out in the same way as a coupling valve. We clean the restrictor washer from old grease.

Apply lubricant to the valve body where the limiting washer meets.

We put the limiting washer on the groove of the stud. To do this, place the tap plug in the half-open position.

Screw the nut through the slot onto the faucet plug.

By tightening the nut, we adjust the degree of tension of the tap. We check by turning the tap handle. The tap should not turn with force, but it should not move too easily. We tighten the locknut.

Once again we check the smoothness of the ride.

Results of the work done

After gas supply and control washing, no gas leaks were detected! The faucet is sealed and now works much more pleasantly, without jamming!