Industrial & Marine MRO
Compare nominal sizes, pressure ratings, and bolt circles for globe, gate, ball, and butterfly valves used in shore plants and shipboard piping (IMPA Chapter 75). Each row links to verified IMPA drawings and dimensions.
| Nominal | Rating / type | Face-to-face | PCD | Bolts | IMPA store |
|---|---|---|---|---|---|
| 50A | JIS 10K | 180 mm | 155 mm | 4 | IMPA 750231 Globe Valve JIS 10K 50A |
| 50A | JIS 10K | — | 155 mm | 4 | IMPA 750101 Bronze Globe Valve 50A |
| 15A | Ring joint | — | — | — | IMPA 752106 Brass Needle Valve |
| DN50 | PN16 | 180 mm | 165 mm | 4 | IMPA 812101 Gate Valve Bronze DN50 |
| DN40 | Bronze | 170 mm | — | 4 | IMPA 812105 Globe Valve Bronze DN40 |
| DN80 | Lug | — | — | — | IMPA 812204 Butterfly Valve DN80 |
| DN25 | Full bore | — | — | — | IMPA 812851 Ball Valve Stainless DN25 |
| 50A | DIN PN16 | — | 165 mm | 4 | IMPA 755601 Gate Valve DIN CI 50A |