Check valves are one-way valves that allow gas to flow in only one direction, preventing backflow that could damage equipment or cause safety hazards.
Key Features:
- Automatic operation (no external control)
- Spring-loaded or poppet-style designs
- High pressure rating suitable for CNG applications
- Designed to handle high pressures (typically up to 250 bar or more)
Available brands:
- Oasis, Parker etc.
