Cast iron swing check valve with cast bronze seat.
| Size | 4" |
|---|---|
| Design Standard | MSS SP-71 |
| Connections | Flanged / ANSI 125 |
| Pressure Rating | 200 PSI @ -20° to 150° F 125 PSI @ 450° F |
| Length (End to End) | 11.5" |
| Weight | 74 lbs |
4" 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 |