Purpose: analysis of existing types of valves and the latest developments with the creation of a modern valve with a soft shutter for pipelines of reclamation systems.
Materials and methods. When analyzing existing design solutions for shut-off and control valves, various types of valves protected by patents of the Russian Federation and proposed by a number of authors in the technical literature, using scientific research methods were considered. When creating the design, the work methodology was to systematize data using model-based design.
Results. As a result of the study and analysis of various sources of information, it was revealed that three types of valves such as gate (leaf), wedge and disk are mainly used. In this regard, an analysis of their design solutions was carried out to identify the advantages and disadvantages of each type. The main disadvantages which consisted of overestimated strength characteristics, often not required on a low-head pipeline network, and complex designs due to the large number of parts, which lead to higher prices for the valve, were identified. When creating modern shut-off and control valves, it is necessary to avoid rubbing elements to increase reliability, and to make them in a repairable design with both manual and automated control methods. Based on the results obtained, a design of a shut-off and control valve with a soft shutter was proposed, for which a patent was received.
Conclusions. The proposed valve design relates to the field of pipeline fittings. It can be used in pipelines with low pressure as shut-off and control valves to regulate the water flow or open and close to supply or stop water supply. The shut-off valve is implemented in the form of a soft shutter made of elastic waterproof material, in the shape of a closed self-intersecting torr.
reclamation system, pipeline network, shut-off and control valves, valve, shutter, soft shut-off element, self-intersecting torr, regulation
Voevodin O. V., Kozhanov A. L. Contemporary valves with soft shutters for pipelines of reclamation systems. Ways of Increasing the Efficiency of Irrigated Agriculture. 2024;93(2):90–105. (In Russ.).
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