GOST 31442-2011 Group I equipment protection level Ma intended to remain functional in atmosphere endangered by firedamp and or coal dust《I组 设备保护级别Ma 在甲烷和 或煤尘环境中依然可用》.pdf

1、 I, , , / (EN 50303:2000, MOD) , ()INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION(ISC)314422011(EN 50303:2000), 1.092 . 1.22009 . , - . , , -, 1 -( -)2 (-)3 , ( 29 2011 . 40) : ( 3166) 00497 ( 3166) 00497 BYKZKGRUTJUZ 4 22 2011 . 1638- 314422011 (EN 50303:2000) 15 2013 .5 EN 503

2、03:2000 Group I, Category M1 equipment intended to remain functional in atmospheres endangered byfiredamp and/or coal dust ( I, 1 , - () ) , - . (MOD). 5030320096 -, - . () . , - - , 2013 -, II 314422011C1 .12 13 24 34.1 34.2 44.3 .44.4 .44.5 .44.6 44.7 .44.8 .44.8.1 .44.8.2 , .54.8.3 , 54.8.4 , 54.

3、9 / 64.9.1 /64.9.2 .64.10 .65 , .75.1 .75.2 76 ,- 86.1 .86.2 86.2.1 .86.2.2 .86.2.3 86.2.4 .86.3 86.4 , .106.5 , 107 .117.1 117.2 ,d.118 .139 .139.1 ,.139.2 ,- 139.3 , .1310 1411 .1415III 314422011 , - I, , -, / . , 1986 ., , , , / , , -, . , , (b), - , , - , / . -, 58, 3.6, 3.7, 5.2,9.1, 9.2. 5.2,

4、6.5, 7.2.2 . (), , , :- 3.6 3.7 - ;- 9.3.4 h), .IV 314422011 I, , , / Group I, equipment protection level Ma intended to remain functional in atmosphere endangeredby firedamp and/or coal dust1 1.1 , I, , , / ( 0,8 1,1 ; 20 60 ).1.2 , .1.3 , , , , - , / .1.4 - . 1 , , 600 , , , , “i“ “ia“ - , - . 2 ,

5、 - 1.1, . - , - . 3 - , . , - / , , - *.2 : 1425496(52589),(IP)* 5.1 1.1 314422011(EN 50303:2000) 20130215 30852.102002* . 11. i 31441.12011 (EN 13463-1:2001) , . 1. 31441.52011 (EN 13463-5:2003) , . 5. - 31610.02012/IEC 60079-0:2004 . 0. 31610.52012/IEC 60079-5:2007 . 5. q 31610.72012/IEC 60079-7:2

6、006 . 7. IEC 60079-12011 . 1. “d“ IEC 60079-22011 . 2. - “p“ IEC 60079-182011 . 18. “m“ - , 1 , - . - (), () . , , , , .3 .3.1 (explosion protection): , 2, - .3.2 (equipment): , , , , , , , , -, / - . , - . - / , . .3.3 I (equipment Group I): , - , - / .3.4 (potentially explosive atmosphere): , - .3.5 (explosive atmosphere): , , , - .* 52350.112005 ( 60079-11:2006) . 11. “i“.2 3144220113.6 (equipment protection level Ma): - , , , , , . :) - ;) .3.7 b (equipment protection level Mb): - , , - , ,