ISO 7165:2017 消火—ポータブル消火器—性能と構造 | ページ 2

3.1

batch

group of the same products made on the same production line using the same lot of materials during one production shift

3.2

bulk range

range of the extinguisher when 50 % of its media has been expelled

3.3

charge of extinguisher

mass or volume of the extinguishing medium (3.9) contained in the extinguisher expressed in volume (litres) for water-based extinguishers and in mass (kilograms) for other extinguishers

3.4

classification of fires

grouping of fires on the basis of the characteristics as given in 3.4.1 to 3.4.5

Note 1 to entry: See ISO 3941.

3.4.1

class A

involving solid materials, usually of an organic nature, in which combustion normally takes place with the formation of glowing embers

3.4.2

class B

involving liquids or liquefiable solids

3.4.3

class C

involving gases

3.4.4

class D

involving metals

3.4.5

class F

involving cooking media (vegetable or animal oils and fats) in cooking appliances

3.5

clean agent

electrically non-conductive gaseous or vapourizing liquid fire extinguishant that does not leave a residue upon evaporation

Note 1 to entry: For conductive properties and amount of residue, see Annexes C, D, E and F.

3.6

complete discharge

point in the discharge of an extinguisher when the internal pressure has equalized with the external pressure, with the valve control being kept fully open

3.7

disposable extinguisher

non-rechargeable extinguisher

extinguisher designed not to be recharged in the field or at the factory, but intended to be discarded after use

3.8

effective discharge time

time from the commencement of discharge of the extinguishing medium (3.9) at the nozzle to the gas point (3.12) of the discharge stream with the control valve fully open

3.9

extinguishing medium

substance contained in the extinguisher that causes extinguishment

3.10

fill density

mass in kilograms of extinguishing medium (3.9) per litre of container volume as fitted for use, complete with valve and internal fittings

3.11

fire extinguisher

appliance containing an extinguishing medium (3.9) that can be discharged and directed onto a fire by the action of internal pressure

Note 1 to entry: Discharge may be achieved by — stored pressure (constant pressurization of the extinguishing media container); — cartridge operated [pressurization at the time of use by the release of a pressurizing gas stored in a separate high-pressure container (cartridge)]

3.12

gas point

point where the medium discharge changes from predominately liquid medium to predominately expellant gas

3.13

lowest observable adverse effect level

LOAEL

lowest concentration at which an adverse physiological or toxicological effect has been observed

3.14

low pressure extinguisher

extinguisher having a service pressure, p_s, not exceeding 25 bar

3.15

maximum service pressure

p_ms

equilibrium pressure developed in a normally charged and pressurized extinguisher that is conditioned at 60 °C for at least 18 h

3.16

portable fire extinguisher

fire extinguisher (3.11) that is designed to be carried and operated by hand and that, in working order, has a mass of not more than 20 kg

Note 1 to entry: Subject to local acceptance, extinguishers having a total mass of up to 25 kg when fully charged are permitted.

3.17

pressure gauge

device that shows the pressure in the cylinder and the operating range of the extinguisher based on the operating temperature-pressure relationship

Note 1 to entry: The gauge face is marked with the appropriate units.

3.18

pressure indicator

device that shows that the extinguisher is pressurized at its rated expellant gas pressure

3.19

propellant

non-flammable compressed gas used to expel the extinguishing medium (3.9)

3.20

rechargeable extinguisher

extinguisher designed to be recharged after use

3.21

service pressure

p_s

equilibrium pressure developed in a normally charged and pressurized extinguisher conditioned at 20 °C for at least 18 h

3.22

wet chemical

water-based chemical agents that include, but are not limited to, aqueous solutions of potassium acetate, potassium carbonate, potassium citrate or combinations of these materials