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Step by step: Install a gas cylinder

Step by step: Install a gas cylinder


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For city dwellers, bottled gas (LPG: Liquefied Petroleum Gas) seems to come straight from prehistoric times; for those who live in the countryside, it is a reality that is experienced on a daily basis. In the countryside, no gas network like in town, so how to boil the pasta water? There is electricity of course, but overall it remains more expensive than gas and this gap should only widen in the coming years. So if your budget is tight or you just don't have a choice, bottled gas is a good option. Difficulty : easy Cost per use: around 30 € / bottle Tools required "NF stamped" : - A 13 kg butane gas cylinder - A 28 millibar butane regulator - A rubber hose and two hose clamps Additional tools: - A pliers pliers, a screwdriver Example of installation cost for a standard 13 kg butane bottle (August 2015): - € 10 deposit (returnable deposit), - € 30 for a bottle of butane, - € 20 for a rubber hose (validity 5 to 10 years) or € 40 for a stainless steel hose (30 years), - € 20 for a butane regulator (validity 5 to 10 years). A total of € 80 for a first installation. Then a budget controlled according to the life of your bottle. For example, for 4 people living in the countryside, eating cooked meals at all meals, making jams, etc., you need to count 1 bottle of gas every 2 months. For the same city family, cooking little, eating dishes prepared to reheat, count 2 bottles per year. It all depends on the use, it is really only after the first year that you will know what your actual gas consumption is.

Step 1 - Choose your bottle: butane or propane?

S8120952W540 Fortunately, we are not in the Matrix and the choice of the blue or red bottle will not change our destiny! Especially since these colors can change depending on the distributor, which, let's face it, does not make our life much easier. To be clear in our explanations, we will talk about the two easily identifiable colors, blue and red! Okay, but which one to choose, butane (blue bottle) or propane (red bottle)? In fact, it is a choice that does not really exist. If the gas cylinder is to be stored indoors, then it will be butane (pressure 1.5 bar). But why then? Because of the strict ban in France on storing propane (pressure 8 bars) inside buildings for security reasons. So if the bottle is to be stored indoors, you will use butane. But then, propane for what uses? All, without exception. In reality, there are differences between these two gases, but the main one concerns the operating temperature. The two gases are stored in the liquid state in the bottles - to get there, they are cooled, otherwise they would take 600 times more space -, but to convert back into gas, the ambient temperature must be higher than the temperature at which they remain in liquid form. Propane can come out of the bottle as long as the ambient temperature remains above -43 ° C, this is why it is recommended for outdoor uses (plancha, barbecue, heat lamps, etc.) while butane cannot 'escape in the form of gas only when the temperature is above 0 ° C, therefore typically indoor temperatures. But you can very well opt for propane indoors if your bottles are stored outside (beware, outside does not mean in the basement, it's even the worst situation, because the gas is heavier air, and it could fill the basement completely in the event of a leak). Propane is also available in larger bottles (up to 35 kg) than butane (limited to 13 kg), and can also fill much larger external tanks (aerial or buried), for a use mainly dedicated to water. domestic hot water or heating.

Step 2 - Learn about regulations and safety

A few words on regulations. It is subject to change, and the following instructions do not in any way exempt you from consulting the official regulations in force at the time of installation. - Hear DIYers! Be aware that rubber hoses are not allowed on a new natural gas (city) or propane installation. Flexible hoses are no longer available for cutting, only in 2-meter packaging and with hose clamps or screw fittings. The connection of 2 flexible hoses is prohibited by regulation. Their use (as in this practical sheet) is authorized but it is recommended to use, when possible, flexible hoses. S8120974W540 - In buildings, subject to regulatory height (see below) and compliance (ventilation and sufficient ventilation, compliance with safety standards, etc.), the co-ownership regulations cannot prevent the use of bottled gas. You can use bottled gas in a building where the height between the low floor of the top floor and the ground on the street, does not exceed 50 meters for apartment buildings and 28 meters for other buildings, to allow the '' access to emergency and fire fighting equipment. The room must have a direct or indirect air supply in the form of a low and high ventilation of 50 cm2 of surface each. The low ventilation must be less than 30 cm from the ground. The high ventilation must be more than 1.80 m from the ground. In addition, if the bottle is stored in a cabinet, it must have sufficient ventilation. For a gas stove, the air flow required for combustion must not be less than 2 m3 / hour for each kW of nominal flow installed. Obviously, who ignores it today? A few words on security. S8120950W540 You should always transport the bottle with its cap in place. It protects the tap in the event of the bottle falling. S8120962W540 Regularly check the validity of the flexible hoses (5 to 10 years), but also of the regulator (estimated service life between 5 and 10 years) which it is better to change before the failure. For this reason, do not mix up the unlimited lifespan (actually 30 years maximum) of a hose and a lifetime secure installation. Always check everything regularly. Always place the bottle vertically, away from impact and heat. Do not store it in a basement or in a cellar (unless it is at ground level outside, such as a garage for example).

Step 3 - Check the gas range injectors

All new gas cookers are equipped for natural gas, if yours is new, it will be necessary to change the injectors. Otherwise, you have to check. Look at the injectors in the gas cooker drawer (or stored with the documentation), they have numbers, refer to the documentation to find out what type of gas they correspond to, and by implication, you now know which ones are installed. S8120960W540 All cookers are supplied with two sets of injectors. A game for natural gas (that of the network) which does not concern us, and another game (or two depending on the manufacturers) for bottled gas (butane or propane). Look at the documentation of your stove to change them. S8120956W540 The injectors look like small brass plugs with a hole in the top to let the gas escape. The diameter of this hole depends on the type of gas to be used but also the location of the injector, because not all lights have the same needs, the fast fire will have a larger hole than the small fire. S8120958W540 They are generally screwed using a pipe wrench (often delivered with) of 7 mm in the bottom of the throat, as the photo shows. It may be necessary to adjust the air flow after connections, nothing too complicated, but refer to the documentation of the stove.

Step 4 - Put the bottle in place

S8120950W540 Place the bottle flat on the floor so that it is stable. Now unscrew the cap counterclockwise. S8120972W540 Remove the "freshness" cap which guarantees that your bottle is new.

Step 5 - Connect the regulator

S8120970W540 Connect the regulator by screwing it anticlockwise (upside down from the usual direction). The regulator must be adapted to the type of gas (28 millibars for butane, 37 millibars for propane).

Step 6 - Choose your tube: flexible or flexible?

S8120966W540 If you are using a flexible tube, attach the teat to the regulator. Thread the two collars around the tube, then press the flexible tube onto the nipple. Position the first collar on the flat part of the teat (not on the bulge), then tighten the collar screw using a suitable screwdriver. S8120968W540 Tighten a little tighter with the pliers while holding the regulator on the other. Do not overtighten so as not to completely crush the seals (which would no longer fulfill their role). If it is a hose with an unlimited service life, simply connect it and screw the nozzle directly to the regulator.

Step 7 - Connect the other end

Connect the other end to the device. As in step 5 if it is a rubber tube. Before inserting it into the nipple, make sure that you have previously threaded the clamp around the tube, because the other side is now tight.

Step 8 - Open the gas

Before opening the bottle, make sure that the stove is closed. There may be a little smell of gas, but it should not last, otherwise it is because there is a leak. To locate the leaks, use dishwashing liquid diluted in a little water and brush all the connections. If there are small bubbles, you will know why. DANGER ! Never try to detect a leak using a lighter, it seems obvious, and yet… S8120954W540 You may have to adjust the air flow rate of the burners as indicated in the documentation. Refer to there.