Teledyne 483-3/8B1-2 Spring-Loaded Poppet Check Valve

The Teledyne 483-3/8B1-2 Spring-Loaded Poppet Check Valve provides automatic one-way flow control in hydraulic, pneumatic, and fluid-power systems, preventing reverse flow to protect pumps, actuators, and upstream components. It features a copper alloy body and a spring-loaded poppet made from Type 304 stainless steel, delivering reliable one-way operation. With 3/8 in NPT female connections on right-hand threads and horizontal mounting, it is rated for up to 3,000 PSI and operates from -65°F to 180°F (-54°C to 82°C). Compatible with air, water, oil, and gas, this straight-through inline check valve is commonly used in hydraulic power systems, pneumatic circuits, aerospace ground support equipment, military vehicle hydraulics, industrial machinery, and OEM fluid-control installations; maintenance technicians and system integrators rely on it for repair, retrofit, replacement, and preventive maintenance.