The Thermo Cascade Check Valve CV201 is a high pressure, stainless steel, one-way check valve featuring 1/4-inch female-to-female connections, built to handle demanding pressures up to 6000 PSI.
 
Key Features and Specs
Material: Durable stainless steel
Pressure Rating: Up to 6000PSI
Type: One way directional non-return/check valve
Application: Commonly used in high pressure compressed gas storage, cascade fill systems, and scuba or industrial gas transfer setups