Valve oil is a lubricant for valves of brass instruments.
Bolted bonnet is used for larger valves and higher pressure applications.
The engine's large bore allowed for larger valves to be fitted.
Using natural capillary action removes the need for expensive tiny pumps and valves.
With no power available from the outside, emergency diesel generators were started to provide electricity for pumps and valves.
Since the valves are on opposite sides of the head, there is more room for valves.
This is like the pump company contracting with another company for specialized valves.
It is commonly used for pumps, valves, chemical equipment, and marine applications.
However, the term globe valve is still often used for valves that have such an internal mechanism.
There were hot spots for the control rods, cooling pumps and valves.