American Engineering Trusted Worldwide
American Engineering Trusted Wordwide ®DATA SHEET
125D-D-B-R
11/07/2025 4:22 PM
| Product Category | 125D-D-B-R |
| Product Line | Air Check Valves (14D, 15D, 16D, 17D, 125D, 126D) |
| Part Description | CLASS 150 Flange Style Silent Air Check Valve with Steel Body and Bronze Trim |
Dimensions
| Face to Face | 4 |
| Dia. of Bolt Circle | 7.50 |
| Dia. of Flange | 9.00 |
| No. of Studs | 8 |
| Dia. of Studs | 0.63 |
| Length of Studs | 8.50 |
| Weight (lbs.) | 27 |
General
| Pressure Rating | up to 290 PSI |
| Temperature Range | -30°F to 250°F (-34°C to 121°C) |
| Standard Soft Goods | Buna-N O-Rings |
| Cartridge Type | Air Check |
| Connection Type | ANSI B16.5 Flange |
| Connection Size | 4" |
| Body Material | Carbon Steel, ASTM A216, WCB, UNS J03002 |
Options
| Port & Vent Options | [-DP] Drain Plug Above Seat (1/2" NPT) |
| Optional Soft Goods | Viton® O-Rings, EPDM O-Rings |