Quick Guide NRV Check Valve Dahej
Details of NRV Check Valve
NRV (Check Valve) – Quick Guide 2026
A Non-Return Valve (NRV), also called a check valve, allows fluid to flow in one direction only and prevents backflow. It is widely used in piping systems to protect pumps, compressors, and other equipment from damage caused by reverse flow.
How It Works
When fluid flows in the intended direction, the valve opens automatically. If flow tries to reverse, the valve closes, stopping the backflow. This is usually done with a spring, disc, or flap mechanism.
Types
- Swing Check Valve: Uses a hinged disc; simple design for low-pressure systems.
- Lift Check Valve: Disc lifts vertically; suitable for high-pressure applications.
- Spring Check Valve: Uses a spring to close; compact and quick-acting.
Advantages
- Prevents backflow damage.
- Simple, automatic operation.
- Low maintenance.
Applications
- Water and wastewater systems
- Pumps and compressors
- Oil, gas, and chemical pipelines
Summary:
NRVs are small but critical valves that ensure unidirectional flow, protect equipment, and maintain system efficiency.
Offered Product
NRV Check Valve
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