ESD Logic Section
AssemblyPneumatic-hydraulic logic that dumps actuator pressure when any pilot, fusible plug, or pushbutton trips. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for ESD Logic Section
6 top-level lines as of r188709| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Quick-Dump Relay Valve | wellhead-control-panel-relay-valve | 3× | 3 | · | part |
| 2 | Hi-Lo Pressure Pilot | wellhead-control-panel-hi-lo-pilot | 2× | 2 | · | part |
| 3 | Fusible Plug Loop | wellhead-control-panel-fusible-loop | 1× | 1 | · | part |
| 4 | ESD Pushbutton | wellhead-control-panel-esd-button | 2× | 2 | · | part |
| 5 | Manual Reset Valve | wellhead-control-panel-reset-valve | 3× | 3 | · | part |
| 6 | First-Out Indicator | wellhead-control-panel-first-out | 1× | 1 | · | part |