Design and principle of operation of a check valve for water supply systems. Check valve types. Features and principle of operation of the check valve in the sewer system, as well as in the ventilation system of multi-storey buildings. Check valve in the fuel system of a car
Tools and equipment 2024, November
Such valves are divided into manual, automatic and combined types. It is customary to use a manual balancing valve (for an aqueous medium) in those systems where static hydraulic modes are installed. Automatic valves are designed for systems operating on dynamic hydraulics. In such systems, balancing is necessary due to possible pressure drops and the need for its regulation
Pipes made of cross-linked polyethylene - polymer tubes, characterized by increased resistance to high temperature conditions. In addition, they are difficult to corrode, less susceptible to chemical attack and abrasive
Installation of drywall sheets can be done in two ways - gluing directly to the base or fastening to the supporting frame. The last installation method involves the use of special metal profiles for assembling the crate. Moreover, in the manufacture of the frame, several types of metal elements are used at once - a ceiling and rack profile, as well as a guide rail
The Clipso stretch ceiling is one of the most common building materials on the market today. This is due to the fact that many buyers choose this finish because of its high quality. A new technology for the manufacture of stretch ceiling systems is beginning to replace the old production method from PVC film
The door opening mechanism is the part that no entrance structure can do without. Users appreciated the new developments without the use of a door handle. This allows you to make the process more simplified, as well as give the door structure a visual flavor and originality
To protect surfaces from negative influences, including atmospheric ones, polyurethane enamel is actively used today, which is offered for sale in a wide range. This mixture is a variety of polymers with protective properties
The material is used for shock absorbers and sealing elements, because it is more resistant to wear and strength. That is why rubber parts have recently been increasingly replaced by polyurethane. At the same time, elasticity remains at the same level. Two-component cast polyurethane has found application in the production of pipelines, which are characterized by chemical resistance and strength
The use of building materials such as reinforcing tape in finishing works guarantees a longer service life of decorative elements. This review article is just about it, as well as about in what cases and for what it is used
Electrofireplace with the effect of live fire will ideally complement even a small apartment, give it comfort and design "zest". Manufacturers offer various design options: from classic to high-tech. And the price of the fireplace will depend on the built-in set of functions
Often, drywall sheets are mounted on a pre-assembled frame, consisting of metal profiles or wooden bars. However, laying drywall on glue is a great alternative to the traditional option. This allows you to significantly save time and finances, as well as avoid the loss of usable area due to frame structures
Siding "Blockhouse" has become widespread today. These panels are made in imitation of calibrated high quality logs. It can be difficult even for a specialist to distinguish a wall lined with this material from a facade made of natural wood
How to properly polish plexiglass? What is required for polishing plexiglass at home? How to polish plexiglass yourself using polish or GOI paste?
Modern technologies help not only in business production and in the daily concerns of an adult, but also play an important role in the development and education of a child. An excellent confirmation of this can be children's learning tablets. Today there is a fairly wide selection of these devices. And each differs not only in technical characteristics, but also in purpose, a set of applications, developing programs
It's no secret that the bathroom is practically the most visited place in the house. Therefore, for a comfortable stay there, it is so important to make high-quality repairs and choose convenient, functional plumbing. The best example of such plumbing would be a hygienic watering can for the toilet
Nothing gives us as much trouble in the summer as insects. Flies and midges fly into the kitchen, mosquitoes bite at night. To get rid of such uninvited guests at home, a magnetic curtain on the door will help you
Today, a large selection of curtain rods is on sale. They differ in design, appearance and scope. One good option is a telescopic cornice. They have a lot of advantages. Features of such structures, their features and types will be discussed in detail in the article
The LG F10B8ND washing machine, reviews of which will be presented below, is equipment based on 6 unique drum rotation algorithms. This approach is able to provide optimal washing for various types of fabrics, carefully and effectively washing the most difficult stains. This can be said even for delicate fabrics
Washing machine LG F12B8WDS7: reviews, description, instructions, modes, additional features. Washing machine LG F12B8WDS7: specifications, photos, expert opinion, operation, features. Comparative review of LG F12B8WDS7 and F12U2HCS2 washing machines
Manicurist needs a lot of accessories for comfortable work. A desktop manicure lamp is an attribute that guarantees the quality and safety of the procedure. Do not try to replace it with something else. Only a specialized device provides excellent working conditions for the master of the nail service and his client
The blender has long been included in the mandatory list of kitchen tools for a housewife. With it, you can mix, grind, beat and grate various products, preparing them for certain dishes. The quality and volume of cooking will depend on many parameters, the main among which is the power of the blender, which determines the intensity of rotation of the working bodies of the device
What is teak oil? Why is it so popular? Does its composition really contribute to the resistance to climatic incidents, the fight against the formation of captivity, cracking and increasing the service life of wooden products? What is in teak oil and does it have disadvantages? Let's try to understand this article
The article is about boat engines. The main types of this technique, their features and performance are considered
Welding machines "Svarog": model range, advantages and disadvantages. Varieties of inverters "Svarog"
Starting to engage in eyelash extensions, newly minted masters think about what equipment they will need for work. There are special starter kits that include everything you need, from consumables to tools and accessories. It depends on where the procedures will take place, what else is needed for eyelash extensions. A couch, especially a portable one, is useful for working from home
If you appear in your country house periodically, then in the cold season you will inevitably face the question of quickly heating the room without consuming electricity, gas, as well as waiting for the wood stove to warm up. Gas-generating stoves are capable of quickly and economically heating a room. It is worth describing them in more detail
What are hydraulic pullers? These are devices used for the dismantling of various parts and assemblies, which are pressed in on the outer and inner diameters and have an interference fit. Often, these devices are equipped with two or more often three "legs" (supports) made of high-strength carbon steel. At the same time, to achieve greater hardness and strength, these tools undergo additional heat treatment
The main building materials from which structures are constructed and coatings are arranged cannot always perform insulating tasks. The same brick walls or foundation base made of concrete screed require mandatory cover with protective raw materials. Such barriers are needed to protect against cold, moisture and noise. One of the most affordable insulators is polyethylene foam foil
The stove with a cauldron is a practical and convenient solution for cooking in the country. It is only important to decide what design you want to have in your backyard
During cooking, preparations or salads, it is almost impossible to do without cutting vegetables. And here such a device as a mechanical or electric shredder comes to the aid of housewives. In principle, both devices are of the same quality and reliability, but if you want to simplify and speed up the process as much as possible, you cannot do without an electric tool. What is special about electric shredders for vegetables, what is their advantage?
Binding cardboard is a heavy-duty material that is used to decorate printed products. Use it as covers for books, albums, diaries, encyclopedias and other printed publications. The porous structure of the cardboard perfectly absorbs moisture and is quite easy to process. Its natural color is brown. High performance properties of the material serve to expand its production from year to year
Semi-automatic welding 220V is a compact and handy tool that provides a reliable and high-quality connection. The principle of influence is based on the formation of a continuous current of an electric arc. Such equipment is useful not only in everyday life, but also in the construction of a house
Pulse mode is found not only in screwdrivers, but also in wrenches, as well as screwdrivers, which are specially designed to create a tangential impact. An impulse screwdriver is able to work equally effectively with nuts and rusted bolts, as well as parts made of soft materials such as brass
For plexiglass, one of the adhesives below can be used, each with its own pros and cons. You can learn about them from the description and customer reviews
Among the equipment used for metal processing, the hydraulic sheet bender has gained sufficient distribution. It belongs to the category of universal devices and allows you to manufacture parts with different parameters. The machines are used both for creating complex reliefs and holes on the surface, and as a powerful press
In the arsenal of any home master there is such a tool as a screwdriver. They come in different shapes and sizes. Screwdrivers, the types of which are most often used in economic activities, should be considered in detail. This will allow you to make the right choice of tool in the process of working
Hand flashlight has long been an indispensable tool in everyday life. Not a single trip or fishing trip is complete without its use. Recently, LED lights have been in special demand, which have economical energy consumption and impressive power
How to choose a gas meter based on your devices, where to install and what subtleties you need to know when choosing a gas flow unit
The article is dedicated to heaters "Rovus Rapid Heat". The characteristics of the devices are considered, as well as user reviews
Water supplied from the tap is unfit for consumption in its raw form. Every person knows this. There are many types of water purifiers, each of them has its own distinctive features and features of work. Ceramic filters are versatile and affordable. Today there is a wide range of such devices, so sometimes you can get confused when buying