Professional Industry Knowledge of Hydraulic Slow-closing Check Butterfly Valve
The hydraulic slow-closing check butterfly valve is a core special pipeline equipment in the fields of water conservancy, municipal water supply and drainage, electric power, and industrial fluid transportation. It belongs to an integrated multi-functional valve category, integrating three core functions: butterfly valve cut-off, check valve backflow prevention, and water hammer eliminator pressure stabilization protection. It can replace the combined scheme of multiple sets of equipment such as gate valves, check valves and water hammer eliminators in traditional pipelines, realizing the effect of "one valve replacing three valves". As a key supporting equipment for the safety protection of pipe network systems in pump stations and hydropower stations, it is widely used in various water supply and drainage, power generation, chemical industrial fluid transportation engineering projects.
1. Core Product Definition and Industry Positioning
Driven by a hydraulic system, the hydraulic slow-closing check butterfly valve is an intelligent pipeline control valve that realizes segmented opening and closing according to preset procedures, which is different from ordinary electric, pneumatic butterfly valves and conventional check valves. Its core feature is the two-stage slow opening and closing logic, which can accurately avoid water hammer impact caused by pump start-stop, unit sudden stop and pipeline pressure mutation, and has the characteristics of zero backflow, reliable cut-off and automatic pressure maintenance.
In industrial applications, this valve is mainly installed at the outlet pipelines of various water pumps and the inlet pipelines of water turbines. It is a necessary equipment for pipe network pressure protection and unit equipment protection, and is suitable for clean water, slightly polluted water and other conventional fluid working conditions in industrial and municipal pipe networks. It solves the core pain points of traditional pipeline systems such as cumbersome equipment matching, large floor area, poor coordination of opening and closing actions, and insufficient water hammer resistance, and has become the mainstream supporting valve for medium and large-scale pump station water delivery systems in the industry.
