CHECK VALVES
Product Overview A check valve (also known as a non-return valve or one-way valve) is an automatic control valve that only allows media to flow in one direction and prevents backflow. It is widely used in pipeline systems to protect equipment and avoid media reversal.
Description
1. Product Overview
A check valve (also known as a non-return valve or one-way valve) is an automatic control valve that only allows media to flow in one direction and prevents backflow. It is widely used in pipeline systems to protect equipment and avoid media reversal.
Core Functions:
Prevent media backflow to protect pumps and drive motors
Prevent media leakage from containers
Maintain system pressure stability and avoid pressure fluctuations
2. Working Principle
Check valves realize automatic opening and closing relying on the flow of the media itself:
Open State: When media flows in the direction indicated by the arrow, pressure pushes the valve disc to open against its own weight or spring force, allowing media to pass through.
Closed State: When media flows backward, the valve disc fits tightly against the valve seat under reverse pressure and its own gravity, blocking backflow.
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