2024 Author: Beatrice Philips | [email protected]. Last modified: 2023-12-16 05:33
The process of painting different types of surfaces involves the use of a special device, which is a paint sprayer. This unit is offered in different versions depending on the principle of operation. Each type of hand-held spray gun has its own characteristics and advantages, they are used in different fields. There are several guidelines to help you find such a tool yourself. We offer you basic information about spray guns, as well as a list of popular models.
What it is?
The hand held spray gun is in high demand for a number of reasons. The main task of the product is to build up air pressure, then suck in the dye and spray it onto the surface. Some models are presented with a plastic case, but metal ones can also be found, which are more durable . The reservoir is a separate component of the structure that is attached to the gun body, where the suction arm is submerged. It can be filled with various paints and primers to facilitate the surface treatment process.
Often a special filter is installed in the sleeve to prevent the ingress of solid particles and not to clog the slotted tip of the housing head.
The design has a telescopic rod, thanks to which you can change the length to ensure comfortable operation. As for the piston pump, in some models it is located inside, and in some it is separate from the paint sprayer body.
The principle of operation of the device is as follows . The suction sleeve is placed in the tank with the coloring agent, after which it is necessary to press the trigger or the pump handle, which will lead to an increased pressure in the cylinder, and the liquid will begin to move along the sleeve. This is how paint is sprayed.
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Spray guns for painting are offered in different versions, each with its own principle of operation. We offer a small overview of mechanical, pump and power-free devices. They differ in size, structure and have their own special advantages.
Electric
The main difference between this type of spray gun is the principle of supplying dyes. They are transmitted airlessly thanks to a special piston. This part of the unit moves thanks to the coil, and the return spring brings it back . During the forward movements, there will be a small vacuum in the chamber so that the paint passes into the working body. The piston compresses the paint, which forces it out through the spray nozzle. It is a small type of spray gun that works reliably and efficiently and is easy to maintain.
If the spray gun is used outdoors, where there are no outlets, experts use battery-powered perforators . The main advantages of the device include its mobility, thanks to which transportation will be simple, besides, it can be used in any place where there is electricity. The design is simple, but reliable, which is no less important. The device can be disassembled for cleaning on its own, and it is not necessary to have experience for this. The devices are offered in a compact size of light weight, while the capacity of the container is quite large, inside it can contain from 1 to 2.5 kg of coloring material. The operational characteristics of the unit are at the highest level, when spraying, the paint will lay down in a thin uniform layer. These tools are offered at an affordable price that is affordable for everyone.
Electric spray guns can be considered a universal device in the household category, they have a number of advantages. They can be airless, therefore they are most often used for spraying high viscosity paints and varnishes. In the course of work, there will be no colorful fog, which is a plus.
As for air atomizers, they have the same principle of operation as the previous ones, the difference lies in the method of obtaining a stream . With such a unit, the quality of the painting will be high.
This is a mobile device that comes with different power ratings depending on the requirements.
Pneumatic
Such spray guns were used for automated painting, so today they are used by professionals to get a high quality result. The colorful materials are transferred from the container to the nozzle by means of a powerful air jet, which breaks the contents into fine dust and is transferred to the outside . The reservoir can be located at the top or bottom of the instrument, depending on the manufacturer and model. The advantages of pneumatic spray guns are the application of the product in an even thin layer, simple settings and application. It is important to select the right compressor to be used with the sprayer.
Such a device is intended exclusively for liquid paints and varnishes.
Pump-action
Aggregates of this type are often used in the agricultural sector to care for plants. There are many different shapes and sizes of devices on the market, depending on the amount of work that needs to be done. They are light, they can be of different sizes with a capacity from 500 ml to 20 liters.
In large products, a side lever is installed for pumping air into the container. On a large-scale farm, this type of spray is the most practical.
Applications
Spray guns belong to the category of multifunctional tools, so there are several areas in which they are widely used. The main task of the unit, as mentioned above, is to ensure uniform application of the paint and varnish composition to the surface . The main advantage is that the device significantly reduces material costs and simplifies the solution of the problem, and at the same time it takes much less time to work. However, spray guns are useful not only in the construction industry. Many people use hand-held products to treat plants with detergents and disinfectants. It is a mobile device that can spray almost any liquid.
Initially, a mechanical spray gun was created exclusively for painting, since the tool has a small pressure, but with the advent of an electric and pneumatic device, it is more used in the economic sphere.
Using a spray gun, you can process materials with fire retardants and several types of adhesives . In private farming, it is not uncommon for agronomists to use this affordable unit to spray chemicals and fertilize plants. Thus, the spray gun is suitable for treating a variety of crops, shrubs and even trees, if you use a convenient extension cord to cover the area. In a domestic environment, a spray gun can be used to wash hands by pouring a soap solution into the container, which will be useful in nature.
Summing up, it should be noted that the spray gun has found wide application in various fields of industry, where it comes to painting surfaces from different materials , whether it be in the automotive field or in construction, such as facade painting, but also in the agricultural sector, in the processing of protective suits and in many other fields.
How to choose?
When choosing such a device, you should consider several recommendations that will help you decide on a purchase. To begin with, it is important to evaluate the functionality of the head, study all the technical characteristics of the unit and learn about its advantages. The head is designed to adjust the flow rate and the thickness of the jet, which greatly simplifies the painting process . The device should lie comfortably in the hand when it comes to a large amount of work. Make sure the gun can be taken apart by yourself for cleaning.
If you choose a device with a metal case, all elements must be covered with anti-corrosion material . Only the minimum lever resistance is allowed, since it will be difficult to carry out work with a hard stroke, and this will negatively affect the quality of the surface finish.
The location of the container plays an important role. If the tank is installed at the bottom, this is not always convenient, since the spray gun will need to be held vertically, and when turning, the flow of contents will be limited. Spray guns with top localization of the tank are considered more practical.
The service life of the device is influenced by the presence of gaskets, their density and quality, therefore the best material for them is Teflon and other durable materials
Using all of these recommendations, you can choose a high-quality and inexpensive spray yourself.
Popular models
The market offers a wide range of spray guns from different manufacturers. At your discretion, a rating of some of the most popular atomizers is presented with a list of their characteristics.
The spray gun gained great popularity Zitrek CO-20 V 018-1042 which is suitable for both surface painting and crop treatment. The mass of the device is slightly less than 7 kg, the tank holds 2.5 liters of liquid. To ensure an even application, the rod should be positioned up to 70 cm from the surface.
The representative of the Russian-made spray gun is model KRDP 84848 , which weighs 5.4 kg, the capacity of the tank is the same as in the previous version. The device is equipped with a metal case that can withstand high stress and mechanical stress.
With such a device, you can spray water-lime and chalk compositions, as well as use a water-based emulsion.
Has excellent characteristics tool Gigant SP 180 , which supports the use of varnishes, enamels, paints and other compounds. During operation, no suspended matter will form, which is equally important. The device has a regulator with which you can change the flow rate and the width of the jet. The body of this model is made of aluminum alloy, so it will not corrode and withstand mechanical damage. The tank in the structure is located on top, its capacity is 600 ml.
At the spray gun Inforce SP 160 01-06-03 high performance. It is also made of metal with an anti-corrosion coating for stability and durability. The container is installed at the bottom of the housing, the spray width can be changed within the range of 200-250 mm. The set includes a replaceable filter, cleaning brush and keys.
However, these are not all spray guns that deserve attention, but you can start getting to know this unit from the models presented.
Tips for use and care
The design of the spray gun is quite simple, but this does not mean that you do not need to properly handle and care for it. To extend the life of your device, you must follow a few rules . Before starting work, it is important to check the tightness of the tank and make sure that the mechanism is working properly using ordinary water. This will allow you to detect a leak or defect if you borrowed the device. If this happens, you will need to disassemble the unit and replace the gasket.
With frequent use of the spray gun, experts recommend conducting a technical inspection and servicing the unit . You will need machine oil to lubricate the stem cylinder. Unscrew the nut, drip oil and put it back in place.
Rinse and dry the container and nozzles after each use.
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