A positive shut-off valve utilizing a gate which when moved between two seats causes tight shut-off. When fully open, produces small pressure drop.

(a)  

An instrument for measuring pressure, level, etc.

(a)  

Pressure read on a gauge which is calculated as the absolute pressure less than normal atmospheric pressure

(a)  

A pump with gears inside the housing. As the gears turn, cavities are created which allows the liquid to be moved from the suction of the pump to the discharge. A positive displacement pumps.

(a)  

A machine which produces electrical power.

(a)  

A valve with a moving seat, usually circular, which moves into a circular opening to shut-off. Usually used in throttling service.

(a)  

Graduated marks on a glass vessel indicating the volume of the liquid inside.

(a)  

TOTAL

(a)  

a) Cable installaed from frame of electrical equipment to prevent possibility of shock.

b) A phase of circuit which has shorted to ground.

(a)  

SYMBOL FOR WATER

(a)  

To control the flow by adjusting a valve by hand.

(a)  

A mechanical jack operated with a lever by hand. A control valve closed or opened on hand jack will not operate under controller signal.

(a)  

A line which has several lines adding or removing flow.

Example: Instrument Air header on “ASU”

(a)  

An equipment used to exchange heat from one fluid to another

(a)  

An alarm (with light & bell) at which some tripping is set to save the equipment and process.

Example: High-High Temperature (TAHH- ) Air to Cold Box, puts the unit to unload Air Compressor.

(a)  

A mechanical device actuated by centrifugal force which in turn activates a switch or trip valve, to shutdown a turbine, engine, (Overspeed TRIP).

(a)  

Utility hose is of fibber and rubber used for nitrogen, air or water.

(a)  

Cabinet for fire hoses, strategically located. Easily put in service by one man by pulling the hose out.

(a)  

Work involves fire, flame, spark, etc. Needs special work permit allowing fire to be used for the equipment repair/installation.

(a)  

Keeping work area and equipment in safe, clean usable condition.

(a)  

Fire hydrants on plant fire water distribution system to onnect the fire hoses in case of emergency.

(a)  

A compound containing only hydrogen and carbon.

Example: Methane, Ethane, Acetylene, Propane, etc.

(a)