American Engineering Trusted Wordwide ®DATA SHEET
37-5
11/08/2025 12:56 PM
| Product Category | 37-5 |
| Product Line | NPT Threaded Check Valves (34, 36, 37 Series) |
| Part Description | Stainless Steel Body In-line Silent Check Valve with Female Pipe Thread (NPT) Ends |

| End to End | 4.75 |
| Female Inlet and Outlet (NPT) | 1.000"-11.5 |
| Weight (lbs.) | 5 |
| Pressure Rating | 300 PSI |
| Temperature Range | -30°F to 250°F (-34°C to 121°C) |
| Standard Soft Goods | Buna-N O-Rings and Nylon Disc |
| Cartridge Type | Check |
| Connection Type | Female Pipe Thread (NPT) |
| Connection Size | 1.00" |
| Body Material | 304/L Stainless Steel, ASTM A276, UNS S30403 |
| Optional Soft Goods | Viton® O-Rings, EPDM O-Rings |