554 4-inch One-Way Pressure Relief Valve
- Diameter: 4 in
- Housing: Aluminum
- Housing Finish: Hard Anodized
- Seals: Neoprene
- Standard Cracking Pressure: 1.00 ± 20% inches of water
Drawing 3D Model
The 554 pressure relief valve provides a very low cracking pressure and is used to maintain a positive pressure inside an enclosure. They are often used in conjunction with a clean air or nitrogen purge system to maintain a clean environment that protects sensitive equipment or electronic systems. The louvered cover hinges open to allow inspection and cleaning.
