American Engineering Trusted Worldwide
American Engineering Trusted Wordwide ®DATA SHEET
157A-0.438-
11/07/2025 10:35 PM
| Product Category | 157A-0.438- |
| Product Line | O-SEAL® Full Size Relief Valves (157A Series) |
| Part Description | Angle Relief Valve with -3 x -6 O-SEAL® Ends |
Dimensions
General
| Pressure Rating | Range: 30 PSI to 3000 PSI |
| Temperature Range | -15°F to 400°F (-26°C to 204°C) |
| Standard Soft Goods | Viton® O-Rings |
| Cartridge Type | Relief |
| Connection Type | O-SEAL® Union Thread |
| Connection Size | -3 x -6 |
| Body Material | Nickel Aluminum Bronze, ASTM B148, UNS C95800 |
| Bonnet Material | Naval Brass, ASTM B21, UNS C46400 |
Options
| Optional Soft Goods | Buna-N O-Rings, EPDM O-Rings |