Term
| Normally Closed Valve (Fail Close Valve) |
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Definition
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Term
| Normally Open Valve (Fail Open Valve) |
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Definition
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Term
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Definition
- BDV is required on the discharge line of all compressor installations of _____ or greater |
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Term
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Definition
| represent the sensor or device required, but not installed |
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Term
| dashed outer circle Symbol Balloon |
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Definition
| device is omitted from installation |
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Term
| Balloon Symbols without the tag line “tails” |
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Definition
| Safety Sensors or Safety Devices that are not directly connected to process vessels (or equipment/components). |
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Term
| Flowing Tubing Pressure (FTP) |
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Definition
| measurement of pressure of a well stream flowing under normal conditions |
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Term
| Shut In Tubing Pressure (SITP) |
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Definition
| measurement of pressure of a well NOT flowing. |
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Term
| Alarms and Indicates only |
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Definition
| What does an Alarm System do (on an electronic control system operated by a PLC, SCADA, RTU, etc.)? |
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