In mining, it is common for things and processes to be controlled from the surface while they actually occur deep below the surface. Safety measures are of great essence in this risky line of duty. Learn more below!
Surface Controlled Subsurface Safety Valve
Subsurface Controlled Subsurface Safety Valve
Surface Cancellation Subsurface Safety Valve
True
False
True
False
Open
Close
Not respond
50 ft
75 ft
100 ft
100 psi
1,000 psi
10,000 psi
True
False
Seals in the valve leaking.
Leaking connections.
Relief valve failure in the panel.
All of the above
True
False
True
False
True
False
ESD
TSE
Fire detecting devices
All of the above
True
False
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