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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.
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