GB 2626-2006 Translated English of Chinese Standard. GB2626-2006: Respiratory protective equipment - Non-powered air-purifying particle respirator
https://www.chinesestandard.net, 2020 M03 21 - 42 pages
This Standard specifies the technical requirements, testing methods, and identification of non-powered air-purifying particle respirator. This Standard applies to non-powered air-purifying respiratory protective equipment against all kinds of particles. This Standard does not apply to respiratory protective equipment against harmful gases and vapors. It does not apply to the respiratory protective equipment for hypoxic environments, underwater operations, escape, firefighting.
Adopt EN standard Air tightness applicable arithmetic mean axial tensile force Breathing hose Connections and connecting constant volume cavity dead space different numbers disposable facepiece Exhalation valve cover field of view filter efficiency filter material flow meter force as specified full facepiece geometric standard deviation Grades of filter head harness humidity pretreatment inhalation resistance inhaled air L/min testing flow matching test head metal head mold Micromanometer negative pressure Number of samples oily particle particle detector pcs 2 pcs pcs per number Perform testing pretreated in 6.2.1 pump replaceable facepiece replaceable filter elements replaceable half facepiece requirements of samples respiratory protective equipment sample as pretreated sample under test samples after temperature samples and requirements sampling tube Schematic diagram sodium chloride specified Not specified steel box technical requirements test head mold testing chamber testing device Testing equipment testing in accordance tight-fitting facepiece tightness of exhalation total inward leakage Type of facepiece untreated samples