Pipe Labeling Abbreviations
Labels should be clean and easy to read. You may be printing small labels, or valve tags, and need to abbreviate certain words. Use the table below to learn the common abbreviations for labeling.
A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z
| A | |||
| Abbreviation | Description | Abbreviation | Description |
| ABED Aux. | Building Equip. Drains | ABEDT Aux. | Building Equip. Drain Tank |
| ABFD Aux. | Building Floor Drain | ABFDT Aux. | Building Floor Drain Train |
| ACB | Air Circuit Breaker | ACK | Acknowledge |
| ACT | Actuate | ADJ | Adjust |
| AFW | Auxiliary Feedwater | ALM | Alarm |
| AMB | Ambient | ANAL | Analyzer |
| AO(V) | Air Operated (Valve) | AVG | Average |
| B | |||
| Abbreviation | Description | Abbreviation | Description |
| BA | Boric Acid | BAR | Bar Graph |
| BAT | Boric Acid Tank / Battery | BD | Blow Down |
| BIST | Bistable | BIT | Boron Injection Tank |
| BKR | Breaker | BL | Black Liquid |
| BOP | Balance of Plant | BTM | Bottom |
| BTU | British Thermal Unit | BUP | Backup |
| C | |||
| Abbreviation | Description | Abbreviation | Description |
| C | Centigrade (aka. Celsius) | C/CB | Condensate / Cond. Booster |
| C1M | Cumulative One Minute | CAB | Cabinet |
| CAL | Calibration / Calorie | CAUS | Cause |
| CCW | Component Cooling Water / | CD | Condensate |
| CDB | Condensate Booster | CDT | Chemical Drain Tank |
| CHAM | Chamber | CHAN | Channel |
| CHNG | Change | CHRG | Charging |
| CJB | Cold Junction Box | CKT | Circuit |
| CL | Cold Leg | CLNG | Cooling |
| CMPT | Computed | CNMT | Containment |
| COM | Common | COMP | Component |
| CONC | Concentration | COND | Condenser / Condensate |
| CONDTY | Conductivity | CONT | Controller |
| CONT | ROD Control Rod | CONTR | Control |
| COR | Correction | CORR | Correlation |
| COUNT | Count | CPM | Counts Per Minute |
| CPU | Central Processing Unit | CPUS | Central Processing Units |
| CR | Control Room | CRB | Chemical Recovery Boiler |
| CROM | Control Rod Drive Mechanism | CS | Containment Spray |
| CSR | Cable Spreading Room | CST | Condensate Storage Tank |
| CW | Circulating Water | CWP | Circulating Water Pump |
| CYL | Cylinder | D/G | Diesel Generator |
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