Prevention & protection

Prevention & protection

File prevention and protection terms.

Industry: Fire safety

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Prevention & protection

Retrofit operator

Fire safety; Prevention & protection

A device labelled as a "retrofit rolling steel fire door operator" intended to replace operator and governor systems (including automatic-closing devices) used on existing listed rolling steel fire ...

Restricted-flow orifice (RFO)

Fire safety; Prevention & protection

A device located in the gas cylinder valve body that restricts the maximum flow rate to 30 L/min (1. 06 ft3/min).

Personal flotation device (PFD)

Fire safety; Prevention & protection

A displacement device worn to keep the wearer afloat in water.

Dump valve

Fire safety; Prevention & protection

A device on a power unit to redirect all of the system flow to the reservoir.

Extension indicator

Fire safety; Prevention & protection

A device on an aerial ladder or extensible boom aerial device that indicates the number of feet (meters) that the device has been extended.

Gas-air mixer

Fire safety; Prevention & protection

A device or a system of piping and controls that mixes LP-Gas vapour with air to produce a mixed gas of a lower heating value than the LP-Gas.

Interlock

Fire safety; Prevention & protection

A device, or an arrangement of devices, in which the operation of one part or one mechanism of the device or arrangement controls the operation of another part of another mechanism.