zyaqwsw 发表于 2014-11-7 14:47:27

主要呼吸防护用品类型

Major Types of RespiratorsAir-purifying respirators, which remove contaminants from the air.
https://www.osha.gov/images/3352-3.jpghttps://www.osha.gov/images/3352-4.jpghttps://www.osha.gov/images/3352-5.jpg
Half mask/Dust mask
APF=10
Needs to be fit testedHalf mask (Elastomeric)
APF=10
Needs to be fit testedFull facepiece (Elastomeric)
APF=50
Needs to be fit tested
https://www.osha.gov/images/3352-6.jpghttps://www.osha.gov/images/3352-7.jpg
Loose-Fitting Powered
Air-Purifying Respirator (PAPR)
APF= 25Hood PoweredAir-Purifying
Respirator (PAPR)
APF= 25
Atmosphere supplying respirators, which provide clean air from an uncontaminated source.
https://www.osha.gov/images/3352-8.jpghttps://www.osha.gov/images/3352-9.jpg
Full Facepiece Supplied-Air Respirator (SAR) with an auxiliary Escape Bottle
APF=1,000
APF = 10,000 (if used in “escape” mode)
Needs to be fit testedFull Facepiece Abrasive Blasting Continuous Flow
APF=1,000
Needs to be fit tested
https://www.osha.gov/images/3352-10.jpg
Full Facepiece Self Contained Breathing Apparatus (SCBA)
Pressure demand mode is APF=10,000
Needs to be fit tested

xunmihp 发表于 2014-11-9 09:27:20

这个好厉害:o

我是一只鱼 发表于 2015-12-31 09:18:00

表示看不懂
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