PROCESS AND INSTRUMENTATION DIAGRAMS STANDARD DRAFTING SYMBOLS CHART SA WATER STANDARDS
This document is a standard drafting symbols chart for Piping and Instrumentation Diagrams (P&IDs) used by SA Water. It contains standard symbols for line types, self-actuated regulating valves, actuators, piping valves, fittings, general instrument functions, level sensors, and primary element flow rates.
Source: TS-112-Process-and-Instrument-Diagrams.pdf · page 16/27 · Drawing: 4003-00001-01 rev 1 · Components: 17 (1 equipment, 3 instrument, 13 valve)
Equipment (1)
| Tag | Description | Details | Connects to |
|---|---|---|---|
| SIC-M-1 | Pump Driven by a Variable Speed Motor | Pump driven by a variable speed motor with SIC controller representation | — |
Instruments (3)
| Tag | Function (ISA 5.1) | Description | Details | Connects to |
|---|---|---|---|---|
| LE-xxxx-1 | LE = Level Element (Ultrasonic) | Ultrasonic Level Sensor | Ultrasonic level sensor standard bubble | — |
| LE-xxxx-2 | LE = Level Element (Conductivity Probe) | Conductivity Probe Level Sensor | Conductivity probe standard bubble | — |
| LE-xxxx-3 | LE = Level Element (Ball Float) | Ball Float Level Sensor | Ball float standard bubble | — |
Valves (13)
| Tag | Description | Details | Connects to |
|---|---|---|---|
| PSV-xxx-1 | Globe, Diaphragm Type Pressure Sustaining Valve | Globe, diaphragm type pressure sustaining valve | — |
| PCV-xxx-1 | Globe, Diaphragm Type Pressure Regulating Valve | Globe, diaphragm type pressure regulating valve | — |
| PRV-xxx-1 | Globe, Diaphragm Type Pressure Relief Valve | Globe, diaphragm type pressure relief valve | — |
| PSV-xxx-2 | Spring Actuated Pressure Relief Valve | Spring actuated pressure relief valve | — |
| PSV-xxx-3 | Spring Actuated 90 Degree Pressure Relief Valve | Spring actuated 90 degree pressure relief valve | — |
| HOCV-1 | HOCV Symbol | Hydraulically/Hand Operated Control Valve symbol with pressure feedback | — |
| HOSV-1 | HOSV Symbol | Hydraulically/Hand Operated Solenoid Valve symbol with pressure feedback | — |
| VALVE-ANGLE-1 | Angle Valve | Standard symbol for angle valve | — |
| VALVE-BALL-1 | Ball Valve | Standard symbol for ball valve | — |
| VALVE-BUTTERFLY-1 | Butterfly Valve | Standard symbol for butterfly valve | — |
| VALVE-DIAPHRAGM-1 | Diaphragm Valve | Standard symbol for diaphragm valve | — |
| VALVE-GATE-1 | Gate Valve | Standard symbol for gate valve | — |
| VALVE-GLOBE-1 | Globe Valve | Standard symbol for globe valve | — |
Notes on drawing
- THIS DRAWING SHOWS THE STANDARD SYMBOLS TO BE USED WHEN PRODUCING P & ID's FOR SA WATER AND ON ALL SA WATER PROJECTS.
- REFER TO TS112
- DO NOT SCALE PAPER PRINT