How to install a gas cylinder. Precautions and possible malfunctions. Modification of the slab for bottled gas

The main task of the gas reducer is to reduce the gas pressure coming from a gas pipeline or cylinder to a working value and maintain it in a given range in automatic mode. In this case, changes in the pressure of the gas mixture entering the gas cylinder reducer should not have any effect on the operation of the device. Despite the clarity and conciseness of the definition of the method of operation of a gas reducer, according to the principle of operation they can be divided into two completely different types.

When gas passes through the fitting and enters the high-pressure chamber, an action is observed that promotes the opening of the valve. The pressure reducing valve is pressed directly to the seat thanks to a shut-off spring, which thereby eliminates the possibility of gas entering under high pressure.

The main task of the membrane is to remove the pressure-reducing valve from the seat, which helps reduce the gas pressure and its entry into the chamber with operating pressure. We can say that the membrane is exposed to two opposing forces:

• Pressure spring action required to open the valve
• Action of gas low pressure from the gearbox chamber

When the gas pressure in the working chamber decreases, the pressure spring straightens, the valve leaves the seat and opens the way for a new portion of blue fuel. As the pressure increases, the spring, on the contrary, compresses, pressing the valve even more tightly to the seat, which limits the flow of gas into the reducer.

The adjusting screw makes it possible to adjust the operating pressure by changing the pressure on the spring. Obviously, when turning it out, the working pressure will decrease, and when wrapping it, it will increase.

A pressure gauge installed on the working chamber will allow you to control the pressure at any time. It should be noted that in practice, gearboxes for direct-type gas cylinders have not found very wide application.

Reverse type

When gas enters the working chamber from the cylinder, the valve contracts, which prevents the flow of fuel. The flow can be adjusted with a special screw, which, when turned out, compresses the pressure spring and bends the membrane. In this case, the transfer disk is pressed against the return spring, the valve is lifted and gas penetrates into the working chamber. How is the working pressure adjusted automatically?

Simultaneously with the increase in pressure in the gas pipeline, the pressure in the working chamber also increases, as a result of which the membrane is straightened under the action of a compressed spring. In this case, the transfer disk is lowered, which acts on the return spring, which, in turn, presses the valve into the seat. As a result, the supply of gas from the cylinder or gas pipeline to the working chamber is reduced, and accordingly, when the gas pressure in the pipeline decreases, a reverse reaction is triggered.

Scheme of operation of the reducer for direct (a) and reverse (b) gas. 1. Closing spring 2. Valve 3. Pusher 4. Diaphragm 5. Pressure disk 6. Spring

Classification depending on the scope of application

In general, all devices automatic adjustment Pressure reducers can be divided into reducers for inert gases (nitrogen, argon, helium, etc.) and flammable gases (hydrogen, propane, methane and others). To avoid confusion, gearboxes are equipped with different threads.

Thus, reducers for flammable gases have a left-hand thread, and reducers for inert gases (including oxygen) have a right-hand thread.

• Oxygen reducers are used in work related to cutting, soldering and gas welding. Also used in medical institutions and for scuba diving.
• Acetylene gearboxes are used for cutting pipelines and gas welding. In addition, they are actively used in auto repair shops and service stations when carrying out body repairs.
• Propane reducers are used when carrying out work related to gas welding, cutting and heating. In addition, they are used to organize high-quality gas supply from cylinders to gas stoves, as well as in construction, in particular, when installing roofs using bitumen shingles.
• Air reducers are used to reduce air pressure in networks and various air communications; they are also in demand on submarines.

Features of using composite gas cylinders

This type of cylinders is an innovation among gas containers. Unlike their predecessors, composite cylinders have relatively less weight and are safer. When such a container explodes, no fragments are formed at all.

Another undeniable advantage of composite gas cylinders is the absence of corrosion processes inside. Along with this, a number of increased requirements are put forward for devices operated together with composite tanks.

The main task of the gas regulator when working together with composite cylinders is to maintain a stable pressure at the outlet within a given range. In conjunction with containers of this type, regulators are used that comply with European standards EN 12864.

As an example, we can cite the A300i-A310i device, which differs from the usual RDGS 1-1.2 in the following:

• Complete with a nut that can be tightened without much effort;
• More long term service life of laying under the valve, which is at least 10 years.

Design features include the presence of a spout recessed in the outlet hole and a circular collar placed in the valve seal. These design features are aimed at creating a better sealing of the connection.

At the same time, there is no need to confuse gearboxes with regulators for composite containers, which by creating optimal pressure fuel supply regulates its consumption, measured in liters per minute.

The regulator can be used as universal type, and manufactured for specific model composite container. The optimal solution is to purchase a cylinder and regulator from the same manufacturer.

How to choose

One of the most common choices in this class of devices remains the RDGS-1 device, the main advantages of which are its affordable cost and simplicity of design. RDGS-1 is produced in Russia and Belarus; below are the main characteristics of the device:

• Input pressure value 0.07 – 1.6 MPa
• Output pressure 2950 – 3300 Pa
• Gas consumption 1.2 m3/hour
• Weight 310 g
• Operating temperature range -30°С +45°С

Reducer RGDS-1

Instead of the time-tested gearbox RDGS-1, the price of which is 150-200 rubles, you can buy a more modern model. For example, the Italian device m714, which costs a little more (about 250 rubles).

Usually this gearbox is supplied complete with a heater gas type Pullover1, but it can also be purchased separately. The gearbox is equipped with a gasket made of elastic material, which has a five-time use life. The input pressure of m714 is in the range of 0-20 Bar, and the output pressure is 30 mBar.

Often, to connect composite cylinders to burners, a German-made GOK model costing about 500 rubles is used. However, there are also more expensive models.

Thus, the N240 gearbox, which costs more than 1000 rubles, has the following characteristics:

• Inlet pressure up to 18 bar
• The output pressure can be adjusted within the range of 20 – 60 mbar
• Productivity – 4 l/hour
• Operating temperature range -20°С +50°С

Gearbox N24

Another type of gearbox, called miniature, has become widespread among gas cutters. A prominent representative of this class can be considered the BPO-5 general purpose gearbox, the main technical characteristics of which are:

• Input pressure value up to 2.5 MPa
• Output pressure value up to 0.3 MPa
• Weight 0.65 kg

It must be remembered that purchasing and installing a reducer for a gas cylinder is a serious and responsible step. Not only the quality of operation of gas appliances, but also the safety of everyone who will use this appliance largely depends on the correct choice.

The gas in the cylinder is in the form of a liquid; it turns into a gaseous state and is supplied to the gas equipment through a valve.

The pressure in the tank is significantly higher than what is required for consumers. To reduce and stabilize it, simple and useful device- propane reducer or adapter.

Classification depending on the scope of application

Depending on the application, gearboxes are gas cylinder are divided into several types:

• Universal adjustable
• Professional.

This type includes the simplest gearboxes used in domestic gas supply to households and in camping conditions. RDSG reducers are installed together with household gas cylinders. They have the simplest design, allowing the use of gas only in household stoves and are cheap and reliable. The frog reducer for a gas cylinder, or RDSG-1, is used in conjunction with containers from 12 to -50 liters.

For five-liter gas cylinders, popular among summer residents, tourists and hunters, the RDSG-2 Baltika model is used. The Baltika reducer is put on the nipple of the gas cylinder from above and fixed in the rubber seal with a special clamp. The gearboxes are configured for an operating pressure of 0.3 MPa and a throughput of 1.2 m 3 / hour

Universal adjustable

This class of gearboxes has a more complex design and more wide possibilities. They can already be used both for domestic gas supply and for work in a home workshop. These reducers have a mandatory threaded connection to the gas cylinder, which securely locks the device.

They are also equipped with a pressure gauge and an adjusting screw that allows you to change the operating pressure from 0 to 0.3 MPa, depending on the needs of the gas consumer device connected to them. These devices also have a greater throughput than household ones - up to 5 m 3 / hour

Professional

This class is characterized by the use of more wear-resistant materials and best quality assembly and adjustment. The operating pressure adjustment parameters are also wider – from 0.4 to 1.6 MPa.

Some models are equipped with two pressure gauges - for inlet and operating pressure, respectively.

Features of using composite gas cylinders

Composite gas cylinders in Lately are becoming increasingly popular. This is due to their advantages over their steel counterparts.

• Weight. Almost twice as light as steel.
• Ease of handling. There are comfortable handles.
• Transparency. The fill level can be easily seen.
• Convenient storage. Can be placed one on top of the other and stacked.
• Life time. The service life is practically unlimited.
• Operational safety. Due to the absence of sparking and built into the gas cylinder safety valve and a fusible link.

Supplied at Russian market Composite cylinders are produced in the Czech Republic, Norway and India. When purchasing such a cylinder, it is necessary to clarify the connection standard. If the gas cylinder is equipped according to the Russian standard, you can use a regular reducer for the gas cylinder. If the gas cylinder comes with a European connector, then you will need to either order an adapter or purchase an imported reducer. Please note that each additional connection increases the risk of gas leakage.

What is a propane reducer?

The design of all propane reducers is very similar. They all have:

• Sealed housing made of aluminum, brass or plastic.
• Inlet pipe for connection to the cylinder.
• Outlet pipe for connection to the consumer.
• High and low pressure chambers.
• Flexible membrane.
• Valve and stem.
• Return spring.
• Working spring.

In professional gas reducers, a pressure gauge, an adjusting screw or flywheel, and a threaded connection of the supply pipe are added to the design. The gear housing has cylindrical shape, which is due to the use of a round membrane that bends inside the working pressure chamber. The inlet and outlet pipes protrude from the housing.

How to choose a reducer for a household propane cylinder

To select a propane reducer for a gas cylinder, it is necessary to study and compare their characteristics. The most significant are:

• Purpose.
• Maximum inlet pressure, kg/cm3.
• Working pressure, kg/cm3.
• Maximum gas consumption, m 3 /hour.
• Connection standard.
• Planned service life.
• Price.

Depending on the intended application and the planned type of cylinder best choice may be one or another model. So, for example, if you plan to connect a tabletop gas stove to garden house visited on weekends (or take it on a boat trip) and estimated the monthly gas consumption at five liters, a five-liter cylinder and a Baltika RDSG-2 gas reducer are best suited.

For a stationary stove with an oven, you will already need a cylinder with a capacity of 27 or 50 liters and, accordingly, a Frog RDSG-2 gearbox.

If you want to connect a composite cylinder to a thermal umbrella, and both the cylinder and the umbrella have European connectors, then it makes sense to consider imported gas reducers with a KLF connector, for example, produced by the German company GOK.

If you plan to carry out gas welding in a home workshop, then a professional gas reducer BPO 5-3 Krass would be a good choice. It provides maximum flow up to 5 m 3 per hour and the ability to regulate operating pressure up to 0.4 MPa. To do this, it is equipped with an adjusting flywheel and a pressure gauge, which allows you to more accurately set the operating pressure in accordance with the needs of the gas welding torch or cutter.

Precautionary measures

Household gas is very dangerous. The main threats posed by propane are:

• Fire hazard.
• Unsuitable for breathing.
• Explosion hazard when the maximum concentration of propane in the air is reached, as well as when the temperature in a closed volume rises sharply.
• During a gas leak, the temperature drops sharply and frostbite is possible.

To preserve the life and health of people and their property, precautions should be taken:

• Avoid proximity to open flames and heat sources.
• Exclude presence in work area other flammable materials.
• Eliminate the presence of nitrates and perchlorates near gas equipment due to their chemical activity.
• Do not use the reducer for a propane cylinder if it is damaged or leaking.

Design features and maintenance

According to their design, gearboxes differ into direct and reverse acting devices. The differences between them are in the design details, the performance characteristics are identical.

In addition, gas reducers are used in single-stage and two-stage types. In single-stage, the pressure is reduced in one stage. In a two-stage reduction, the reduction is carried out in two steps. Balloon single-stage reducers are most widely used due to their reliable design and ease of use.

Diagram of direct and reverse acting devices

Direct-type devices have the following operating scheme: propane entering the high-pressure zone presses the valve away from its seat. Propane enters the working chamber, filling it and increasing the pressure in it. It acts on the membrane, compressing the main spring. The membrane goes down, pulls the stem and closes the valve when the operating pressure value is reached. During the use of propane, the pressure in the working chamber drops, high-pressure propane opens the valve again and gas enters the working area again.

In devices reverse type the valve is opened by the main spring, overcoming the force of the high pressure gas. After the working area is filled and the pressure reaches the set value, the rod moves down, closing the valve. As propane is used, the pressure in the working area decreases and the spring opens the valve again.

Reverse-acting devices are considered more reliable and safe. They have gained popularity in household and professional applications.

Periodic inspection and service work

Inspections and service work are divided into daily and periodic.

Daily inspections are required before starting work. Periodic checks are usually carried out in specialized workshops. For gearboxes equipped with a filter, the work includes cleaning or replacing it

Typical faults and their repair

Deviation of the operating pressure from the specified one can be caused by the following reasons:

• Spring breakage or displacement.
• Depressurization of the housing.

Gas leakage is caused by:

• Membrane damage.
• Depressurization of the housing.
• Valve failure.

Some gearboxes are made collapsible. They are, in principle, available for self-repair. Non-separable gas reducers, of course, in the event of a malfunction must be replaced entirely.

Important! Remember that when disassembling the gearbox, you accept full responsibility for the consequences of its use.

For example, home handyman, who has basic plumbing skills, is quite capable of replacing a spring or membrane in an unregulated gas reducer “Frog”. A housing with a damaged seal cannot be repaired. In this case, the entire device will have to be replaced.

After replacing damaged parts with new ones from repair kit and the gas reducer assembly, it is necessary to check its tightness using a soap solution.

System connection standards

Devices that support two standards for connecting the reducer to a gas cylinder are widespread:

• GOST - common in the CIS countries, used on locally produced steel cylinders.
• GLK is a European standard, used primarily on composite cylinders.

To connect the working pipe:

• Threaded connection.
• Nipples 6.3 or 9 mm.
• Universal nipple.

Some gas reducers, for example, RGDS, are equipped at the factory with a 9 mm nipple pressed into the housing.

Reducers with adjustable operating pressure are equipped with a threaded half-inch outlet, which can optionally be secured with a union nut and a universal nipple.

It is safer to use devices that match the standard. Each adapter is an additional connection that increases the risk of gas leakage.

Installation and startup procedure

In order to ensure fire safety The following procedure for installing and starting up the equipment should be observed:

1. Carry out a thorough external inspection of the container, gas reducer and pipelines and ensure that there are no visible defects or excessive heat.
2. Connect the reducer to the gas cylinder.
3. Connect the consumer device to the gearbox
4. Open the cylinder valve slightly and listen.
5. Open the gearbox valve (if present).
6. Open the valve of the consumer device and start using it.

If there is a whistling or clicking noise, immediately close the gas cylinder valve.

Required pressure and volume

The key characteristics of a gas reducer are inlet pressure, operating pressure and flow rate, or the maximum volume of gas passing through the device in an hour.

The inlet pressure is determined by the standard pressure in the cylinders and is usually 20 MPa.

The operating pressure for household unregulated gas reducers is set at 0.3 MPa ±5%

For adjustable semi-professional and professional adapters, the operating pressure is set by the user in the range of 0-0.4 MPa, and for certain high-performance models - up to 1.6 MPa

The consumption volume must exceed the volume consumed by the device (or group of devices) per hour.

Adjustable gas reducers operate on the same physical principles as non-adjustable ones and have a similar design. The difference is that the compression force of the reducing spring supporting the membrane can be changed using an adjusting screw coaxial with the spring in the simplest models, or using a flywheel and a more complex mechanical transmission.

The principle of operation is that by changing the pre-compression force of the reduction spring, the user changes the threshold gas pressure in the working chamber required to operate and close the intake valve. A pressure gauge is also added to the parts, installed on the working pipe and allowing you to visually monitor the result of the adjustment.

General rules for choosing a balloon reducer

Summarizing the rules for choosing a gearbox for a gas cylinder, it should be noted that:

1. it is necessary to sketch out a diagram of the planned system from the gas cylinder to the end user;
2. clearly formulate the following requirements for the device:

• Purpose.
• Operating pressure.
• Need for adjustment.
• Maximum volume.
• Method of connection to a gas cylinder and to a working device.
• Availability of maintenance and repair.
• Allotted budget.

1. From the variety of products on the market, you should choose those that meet the stated requirements.
2. Next, you need to enter the models and their characteristics into the comparison table and conduct a price analysis.

If devices that meet the stated requirements do not fit within the allotted budget, then it is necessary to either revise the budget or simplify the requirements for the device.

Area of ​​application of devices

Wherever there is no stationary gas distribution, people use propane in cylinders. And each cylinder is connected to one or another reducer. The most popular applications are:

• Household and portable stoves and grills.
• Gas water heaters and heat guns for heating rooms.
• Thermal umbrellas for heating recreation areas.
• Gas cutters and welding torches.
• Fuel for land and river transport.

In many countries, wide gas distribution networks have been created to ensure recharging and delivery of gas cylinders to consumers.

The gas cylinder reducer ensures safe and stable operation of gas consuming devices.

Why do you need a reducer for a gas cylinder? The easiest way to answer the question is by comparing household reducer for a gas cylinder with a voltage regulator. For a thrifty owner, the use of an electrical stabilizer has long become the norm. Gas reducer for a cylinder it is used for exactly the same purpose - to stabilize the pressure coming from a gas cylinder to our household appliances.

Reducing gas pressure to operating parameters that ensure stable operation of the equipment- this is the main task that it performs balloon reduction device.The characteristics of the inlet pressure are important for household appliances where the energy source is blue fuel.

It would seem that after we have found out why a cylinder reducer for propane and butane is needed, we can finish the article, say goodbye to the readers, and submit the work for publication. However, not everything is so simple, and it turns out that the gas reducer operates according to completely two different operating principles and is divided into two types of devices.

How does a cylinder reducer work:

1 Direct gearbox

An ordinary simple gas pressure reducing device consists of two chambers with an area of ​​high and low pressure, separated by a rubber membrane. In addition, the “reducer” is equipped with an inlet and outlet fitting. Modern devices designed so that it screws directly into the gearbox. Increasingly, you can find a gas reducer with a third fitting intended for mounting the monomer.

After gas is supplied through the hose and then through the fitting, it enters the chamber. The created gas pressure tends to open the valve. WITH reverse side a shut-off spring presses on the valve, returning it back to the special seat, popularly called “saddle”. Returning to its place, the valve prevents the uncontrolled flow of high-pressure gas from the cylinder.

Membrane

The second acting force inside the gearbox is a rubber membrane that divides the device into high and low pressure areas. The membrane acts as an “assistant” to high pressure and, in turn, tends to lift the valve from the seat, opening the passage. Thus, the membrane is between two opposing forces. One surface is pressed by a pressure spring (not to be confused with the return spring of the valve), which wants to open the valve, on the other hand, the gas that has already passed into the low pressure zone presses on it.

The compression spring has manual adjustment of the pressure applied to the valve. We advise you to buy a gas reducer with a seat for a pressure gauge, this way it will be easier for you to adjust the spring pressure to the desired output pressure values.

As the gas leaves the reducer to the source of consumption, the pressure in the working space chamber decreases, allowing the pressure spring to straighten. She then begins to push out the valve from its seat, again allowing the device to fill with gas. Accordingly, the pressure creeps up, pressing on the membrane and reducing the size of the pressure spring. The valve moves back into the seat narrowing the gap, reducingfilling the reducer with gas. The process is then repeated until the pressure equalizes to the set value.

It must be admitted that reducers for gas cylinders of direct type due to complex design, are not in high demand, reverse type gearboxes are much more widespread; by the way, they are considered devices with a high degree of safety.

2 Reverse gearbox

The operation of the device consists of the opposite action described above. Liquefied blue fuel is supplied to a chamber where high pressure is created. The bottled gas accumulates and prevents the valve from opening. To ensure gas flow into the household appliance, you need to turn the regulator in the direction of the right-hand thread.

On the back of the regulator handle there is a long screw, which, when screwed, presses on the pressure spring. As it contracts, it begins to bend the elastic membrane to the upper position. Thus, the transfer disk, through the rod, exerts pressure on the return spring. The valve begins to move and begins to open slightly, increasing the gap . Blue fuel rushes into the gap and fillsworking chamber with low pressure.

In the working chamber, in the gas hose and in the cylinder, the pressure begins to increase. Under the influence of pressure, the membrane is straightened, assisted in this by a constantly compressed spring. As a result of mechanical interactions, the transfer disk lowers, weakening the return spring, which tends to return the valve to its seat. By closing the gap, the flow of gas from the cylinder into the working chamber is naturally limited. Then, with a decrease in pressure in the bellows liner, the reverse process starts.

In a word, as a result of checks and balances, the swing can be balanced and the gas reducer automatically maintains balanced pressure, without sudden jumps and drops.

Types of gas reducers

From the school course, the concept of non-flammable – inert gas – comes to mind. This broad group includes nitrogen, argon, helium, neon, etc. they do not support combustion and do not burn. Found widespread as a shielding gas in welding work. On the other hand, there are flammable gases (butane, hydrogen, methane, propane, propylene, etc.), which either liquefy or compress and then move their cylinders. So, in order to prevent confusion, engineers, even at the production stage, suggested cutting versatile threads.

Thus, a gas reducer intended for use in the group of flammable gases is manufactured with a left-hand thread. The opposite thread turning to the right provides a gas reducer for inert gases. Among other things, manufacturers use color dyeing to promote brighter highlighting.

Before buying a gas reducer for a cylinder, we advise you to pay attention to the throughput of the device. The optimal solution would be to buy a 2nd generation gas reducer. Before making a purchase, you must make sure that the selected model meets the gas flow parameters sufficient for the consuming device.

Application

Gas reducers are widely used in households and private households. They are operated on all types of gas and are used in a wide variety of industries. The gas reducer can be found in agriculture, in the construction complex, in medical institutions, and just at a country house.

For example, an oxygen reducer is used both in welding work and in providing medical care. As for acetylene gas reducers, you can find them in any mechanic shop.

Propane reducers are indispensable during construction work, you can’t do without them in activities related to laying roofing and bitumen materials. Gas reducer on propane tank has become not a luxury, but a necessity; with its help, millions of housewives regulate the pressure coming from cylinders to gas stoves. A propane reducer often has a funny name, and if you ask in a store whether you can buy a frog reducer for a gas cylinder, then rest assured, the seller will perfectly understand your request.

Reducer for gas cylinder

Since we are choosing a reducer for a gas cylinder, we consider it necessary to touch upon the topic of the container itself. Technological process, and the widespread introduction of new innovative materials is bearing fruit. You can increasingly find new composite cylinders on the market, replacing the old generation. Modern models, unlike outdated predecessors, they weigh less and offer a greater level of safety. Newest technologies manufacturing undergoes multi-level testing; the composite cylinder is subjected to an explosion at landfills, but even after such tests you will not find small fragments.

Composite cylinders are not subject to internal corrosion, are lightweight and comfortable. However, they do not know how to supply gas evenly on their own. A filled cylinder, of course, produces more powerful pressure than a half-empty one. A gas regulator will come to the rescue; its task is to regulate the pressure at the outlet of the composite cylinder and maintain it at the required level throughout the entire period of use.

Have a good time together work with composite cylinders, show gas pressure reducers, phave received European certification. Let's highlight one of these devices: the household gas reducer A300i-A310i IGT. On to the positives the following should be included Product characteristics:

• the presence of a nut that can be tightened by hand;
• service life of the control membrane increased to 10 years;
• the design ensures maximum sealing of the connecting elements;
• the gas hose on a fitting without a thread is clamped with a clamp.

Despite the fact that the importance of the device in creating conditions for the safe operation of a stove or other device is difficult to overestimate, household reducers for gas cylinders are usually sold at an acceptable cost. Despite the fact that the price rarely exceeds 300-400 rubles, these devices can protect not only your home, but also your life from dangerous situations.

Choosing a gas pressure reducing device is not a complicated process, but you should know and take into account such details as:

• The name of the gas passing through the device;
• Characteristics of the cylinder;
• Dimensions, type;
• Required flow and outlet pressure;
• Connection method.

Gas reducers for gas cylinder, price and types

Let's try to choose a reducer for gas cylinders, from those popular types that are in greatest demand among consumers. Let’s take a look at the gas appliance market and find out what the price for a gas reducer for a cylinder was at the end of 2017.

Household gas reducer RDSG for propane stabilization

The leading position in the market, and among consumers in the country, is occupied by the RDSG-1-1.2 “Frog” device with a threaded fastening. The RDSG-2 Baltika gearbox equipped with a threadless connection is not inferior in popularity. Both leaders represent the simplest design. As a result, they can offer the lowest possible cost.
Passport characteristics:
- inlet pressure from 0.7 to 15.7 Bar;
- outlet pressure lies in the adjustment range from 30 to 32 mBar;
- device weight 310 g;
- permissible operation in the range from -30 to +45 ±3 °C;
- gas throughput characteristic - 1.2 m3/hour.
You can buy a gearbox RDSG 2-1.2 Baltika or RDSG 1-1.2 Frog for up to 350 rubles.

It remains to add that the gas reducer is not a universal device. Each model can only work on one specific gas fuel. Before purchasing, carefully check your documents and passport details. Each gearbox has its own purpose and some of them are designed for propane, others for methane, others for argon and so on. They are not interchangeable, so be careful.

Compliance with simple safety rules will preserve your property, health and ensure a stable supply of gas from the cylinder to your device. Due to the low price of devices household use, we advise you to give preference to trusted manufacturers with a reputation as a reliable supplier.

Do not connect your device “directly”; the results of such a connection will most likely turn out to be an unexpected problem for you. Handle with special care cylinders containing compressed gas (pump it under a pressure of 250 bar). The price for the “Frog” is not at all expensive, so you can save money on this. It is much more prudent to acquire one than to later spend money on eliminating the consequences of the disaster.

We offer a video review of the device:

Not everyone will afford to build a country mansion with all the amenities. Some of the population is content with small plots of land wooden houses, where they come for the weekend. Gas pipe It makes no sense to pull it to the house, and it’s expensive, but connecting a gas cylinder to the stove will come in handy. And it’s inexpensive, and you can do it yourself.

Do you know what needs to be done to properly connect the cylinder to the stove? If not, then after reading this article to the end, it will not be difficult for you to make the connection yourself.

What you need to connect

• Gas stove. She must not be quite old. Be sure to check the integrity of connections and burners.
• Gas reducer (30 mbar). Experts consider gearboxes with threaded connections and brass nuts.
• Gas hose. It should be 1.5 meters longer. For example, if there are 5 meters from the installation site of the slab to the cylinder, then you will need 6.5 m; this is necessary so that the hose is not connected under tension, so it can crack faster.

• Fittings and clamps for connections. This will be needed if you decide to use an old stove; new models already come with such adapters.
• The tool must be copper-plated or brass-plated. Safety rules provide for working with gas connections only with such keys; they do not give a spark in case of accidental failure.
• As an additional sealing material, you will need flax or fum tape.
• Soap solution.

A special gas hose must be used for connection. When purchasing in a store, explain this to the seller. Under no circumstances should you use an old hose that was lying in your basement, even if it is in good condition. appearance there may be internal cracks in it and the consequences will be disastrous.

Work order

We will assume that the stove in the kitchen is already installed. The gas cylinder must be placed in another room or at least 1 meter away from the stove. The place for the cylinder must be clean and prepared. Build special mount from wooden slats.

If a shielded cylinder is used, the distance can be reduced to 0.5 m.

Connection to plate

First you need to connect the hose to the stove. This is absolutely safe work. We screw it onto the hose of the stove, tighten it with a clamp and, screwing the fum tape onto the inlet fitting of the stove, wrap it until it stops.

Connection to cylinder

First you need to install a reducer on the cylinder. It is screwed onto a special adapter with the accompanying wrapping of fum tape.

The entire connection process must take place with a thorough inspection of each part:

1. There should be no contamination on the gearbox and the cylinder, especially at the threaded connections.
2. The hose deserves special attention. In addition to the appropriate length, it should not have cracks or narrowing, and do not allow it to twist. It is also better to replace it after the expiration date.
3. There should be no rust on the clamps during operation; this can lead to their rupture. If corrosion appears, it is better to immediately replace them or purchase specialized ones with anti-corrosion treatment.

When you have completed all the work, you need to check the integrity of the connections. Carefully open the gas cylinder valve. You will hear a characteristic hissing sound. This means that the reducer is working properly and gas has begun to flow into the stove.

Then you need to dilute a little soap with water, it is advisable to add more soap so that the foam is thick. Apply foam with a soft sponge to each connection; if small bubbles appear, this indicates that the connection is not reliable and needs to be tightened.

If no shortcomings are observed, then you have done everything correctly and you can turn on the stove and cook.

The propane-butane mixture is heavier than oxygen and, according to the laws of physics, it is capable of accumulating in closed, unventilated spaces. Therefore, experts do not recommend installing a gas cylinder in an underground room. It will be enough to place it in the next room.

The main safety rules are prescribed in SNiP 42-01-2002. And if you have carried out such work, then your knowledge will help readers connect the equipment correctly.

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If you are concerned about your own safety and the safety of your home, choose the right gas cylinder. And this story will help you with this.

Reduce propane gas pressure to the level required for a particular job - the main task, which the reducer for a propane cylinder is designed to perform . Without this device, neither gas welding work nor the use of gas cylinders in everyday life would be possible. Below we will talk in detail about the structure, purpose and operating features of the gearbox for a propane cylinder.

General information.

Propane gas, which is naturally found in petroleum gases and is released during oil refining, is used by people for a variety of needs - both at home and at work. In my own way chemical composition Propane is a saturated hydrocarbon, colorless and odorless.

Propane is used:

• for gas welding works;
• for space heating;
• in construction;
• for gas household appliances;
• as one of the types of fuel for cars (considered cheaper and more environmentally friendly than gasoline and diesel fuel).

But since gas is a flammable explosive substance, special cylinders are used to store it in a compressed state. In the middle of the cylinder, the gas is under high pressure, and in order to release it outside, you need to regulate the gas pressure at the outlet of the cylinder. This function is performed by a reducer for a propane cylinder. . In addition, the reducer maintains a stable level of operating pressure.

What is a propane reducer?

The design of the gearbox is simple. There is a membrane inside; the device is connected to a gas cylinder with a special nut. There is a key (screw), with which the pressure is adjusted to the required level. There is a pressure gauge on the gearbox, which displays the operating pressure level. On the other side of the reducer, a hose is put on to connect to the gas-consuming device. Propane cylinders are painted red, so the reducer should be the same color. Reducers for other gases have a different color. The gearbox weighs about 0.5 kg.

Propane reducer markings include:

1. manufacturer, (must be trademark enterprises);
2. gearbox brand;
3. year of issue.

In addition, the gearbox is supplied with certificates of conformity and safety regulations.

How to choose a reducer for a propane cylinder used in everyday life?

The reducer for a propane cylinder is designed for use in temperate climates, therefore its use is permissible at temperatures from -15 to 45 degrees Celsius.

To accurately select a gearbox for a domestic gas boiler, convector or water heater, you should take into account specifications gearbox:

• Gas consumption.
• Operating pressure.
• Connection method.

The maximum permissible gas pressure at the inlet to the reducer is 25 kgf/cm2, and the maximum operating pressure is 3 kgf/cm2.

For stable operation, the gas consumption of the equipment should not exceed the performance of the gearbox. If the output pressure in the gas reducer is greater than the operating pressure of the gas convector or water heater, gas-burner may fade out or the device’s automation may fail.

You can connect the gas consuming device to the cylinder using the usual gas hose. In this case, a gas reducer with a herringbone-type outlet fitting is used. If there are several devices, then you can lay out the gas main using a corrugated pipe. Then you will need a gearbox with a threaded outlet.

Precautionary measures.

Before installing the gearbox, you need to make sure that there are no cracks or dents on the device on the body and parts, and check how tightly everything fits. Is the glass on the pressure gauge broken or cracked? The use of a gearbox is prohibited. Is the pressure gauge needle stationary even though gas is being supplied? This situation indicates that the device is defective or faulty. Have you carefully inspected the gearbox? Only now can it be turned on. First of all, we slowly open the cylinder valve, then on the reducer, and finally, turn the key on the gas-consuming device. We rotate the adjusting screw on the gearbox, adjusting the operating pressure. We carry out all actions smoothly and slowly, recording any changes, sounds, etc. In the opposite sequence - equipment, reducer, cylinder - turn off the valves.

The gear valve may become clogged, so we clean the gear valve at least twice a year. But it is better to do this with the help of a specialist. If during operation we discover even the slightest malfunction, stop using the device. It is important not to forget to close the valve and also release the gas from the reducer.