Statements (20)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
safety valve
|
| gptkbp:category |
locomotive parts
steam engine components |
| gptkbp:feature |
lever mechanism
paired valves prevents tampering |
| https://www.w3.org/2000/01/rdf-schema#label |
Ramsbottom safety valve
|
| gptkbp:introduced |
1855
|
| gptkbp:inventedBy |
gptkb:John_Ramsbottom
|
| gptkbp:material |
brass
iron |
| gptkbp:notable_for |
improved safety
balanced design reduced risk of sticking |
| gptkbp:replacedBy |
earlier simple lever safety valves
|
| gptkbp:used_in |
British railways
|
| gptkbp:usedFor |
steam locomotives
stationary steam engines |
| gptkbp:bfsParent |
gptkb:John_Ramsbottom
|
| gptkbp:bfsLayer |
7
|