3" cast iron flanged swing check valve with bronze metal seat. A hinged disc swings open with forward flow and closes by gravity when flow stops or reverses, preventing backflow. The bronze metal seat provides a durable, long-lasting seal suitable for water, oil, and steam applications. ANSI 125 flanged connections. MSS SP-71 design standard. Rated to 200 PSI.
| Size | 3" |
|---|---|
| Design Standard | MSS SP-71 |
| Body Material | Cast Iron |
| Seat | Bronze (Metal) |
| Connections | Flanged / ANSI 125 |
| Pressure Rating | 200 PSI |
3" Cast Iron Swing Check Valve - Metal Seated

| Size | L | D | D1 | B | n-d | H |
|---|---|---|---|---|---|---|
| 3" | 9.5 | 7.5 | 6 | 0.8 | 4-19 (3/4") | 5.6 |
| 4" | 11.5 | 9 | 7.5 | 0.9 | 8-19 (3/4") | 6.4 |
| 6" | 14 | 11 | 9.5 | 1 | 8-22 (7/8") | 8.3 |
| 8" | 19.5 | 13.5 | 11.8 | 1.1 | 8-22 (7/8") | 10.6 |
| Size | L | D | D1 | B | n-d | H |
|---|---|---|---|---|---|---|
| 3" | 241.3 | 190 | 152.5 | 19 | 4-19 (3/4") | 141 |
| 4" | 292.1 | 228.6 | 190.5 | 23.8 | 8-19 (3/4") | 162 |
| 6" | 355.6 | 279.4 | 241.3 | 25.4 | 8-22 (7/8") | 211 |
| 8" | 495.3 | 343 | 298.5 | 28.6 | 8-22 (7/8") | 270 |
| Flange Connection | flange_connection |
|---|