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防护面罩的标准:* R3 L$ h v: W5 U9 k0 l
BS EN 140:1999 Respiratory protective devices. Half masks and quarter masks. Requirements, testing, marking7 g7 R" R! s; Y! s2 l7 M
BS EN 12942:1999 Respiratory protective devices. Power assisted filtering devices incorporating full face masks, half masks or quarter masks. Requirements, testing, marking
+ y$ g. l0 w/ L4 o. D0 NBS EN 138:1994 Respiratory protective devices. Specification for fresh air hose breathing apparatus for use with full face mask, half mask or mouthpiece assembly$ I% `. d7 x1 z( g
BS EN 402:2003 Respiratory protective devices. Lung governed demand self-contained open-circuit compressed air breathing apparatus with full face mask or mouthpiece assembly for escape. Requirements, testing, marking
: F0 ^4 P, g0 y( T" ?BS EN 14593-1:2005 Respiratory protective devices. Compressed air line breathing apparatus with demand valve. Apparatus with a full mask. Requirements, testing, marking
$ H; {0 @7 Q" g$ uBS EN 136:1998 Respiratory protective devices. Full face masks. Requirements, testing, marking: B; G1 h7 [; |5 ?% Y
BS EN 137:2006 Respiratory protective devices. Self-contained open-circuit compressed air breathing apparatus with full face mask. Requirements, testing, marking
, w9 E2 J3 j$ Q, f6 u$ Q/ PBS EN 149:2001 Respiratory protective devices. Filtering half masks to protect against particles. Requirements, testing, marking
; u) Q% ]* f! c7 Z* B& ~) f" tBS EN 14435:2004 Respiratory protective devices. Self-contained open-circuit compressed air breathing apparatus with half mask designed to be used with positive pressure only. Requirements, testing, marking9 K* ]* M; S5 e* l2 \5 g
BS EN 14593-2:2005 Respiratory protective devices. Compressed air line breathing apparatus with demand valve. Apparatus with a half mask at positive pressure. Requirements, testing, marking1 {1 D& I# _, f! U
BS 8468-2:2006 Respiratory protective devices for use against chemical, biological, radiological and nuclear (CBRN) agents. Negative pressure, air purifying devices with full face mask. Specification
) T3 o- [. N8 c, V# a* H' BBS EN 1827:1999 Respiratory protective devices. Half masks without inhalation valves and with separable filters to protect against gases or gases and particles or particles only. Requirements, testing, marking$ Y3 A( h) ]4 e, w
BS EN 405:2002 Respiratory protective devices. Valved filtering half masks to protect against gases or gases and particles. Requirements, testing, marking
! X9 o8 F8 v8 z& sBS EN 14529:2005 Respiratory protective devices. Self-contained open-circuit compressed air breathing apparatus with half mask designed to include a positive pressure lung governed demand valve for escape purposes only8 d k) X7 ]- x5 |8 D' y! A
! L' ?" @: ?! |& |+ u* g具体楼主需要用哪一个,就要看具体的产品了,比较常见的可能是EN136, EN149 ,EN402
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耳塞的标准,我知道的有下面两个:* g7 B% R9 W L. w# x
BS EN ISO 4869-4:2000 Acoustics. Hearing protectors. Measurement of effective sound pressure levels for level-dependent sound-restoration ear muffs
; w7 l3 }% J( U6 Q6 PBS EN 352-5:2002 Hearing protectors. Safety requirements and testing. Active noise reduction ear muffs |
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