Miniature Check Valves
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JT.1282 Black Rubber Duck Bill Aerated Toys Parts Mini Check Valve Combination Valve
The combination valve is a structure composed of two valves, an umbrella valve and a duckbill valve, which can meet different control and regulation requirements.
Description
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How they work?
Combination valves are used in places that only allow medium to flow in one direction and prevent flow in the opposite direction, serving as a check. At the same time, under specific pressure conditions, the medium can also flow in the opposite direction, playing a pressure relief role. There is a gap at the top of the duckbill shape that passes through the rubber. When the valve is at a positive pressure difference, it allows fluid to pass freely. When the negative pressure difference is reached, the duckbill shape opening closes and prevents backflow. At the same time, when the negative pressure reaches a specific pressure, the umbrella shape opens and the fluid passes through, providing pressure relief.
Application Description
Combination valves are widely used in places where precise regulation of flow and pressure is required, and their flexible application and high control accuracy are widely recognized.
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