EN - English - I
nstruc
tion manual
84
MNTCMPXT_1824_EN
A.3 Gas group classification
The table below shows the classification of some gases and vapours, according to the explosion-proof
protection group and the temperature class. For a complete list see IEC/EN60079-12 and IEC/EN60079-20.
GAS GROUP CLASSIFICATION
Temperature class (Maximum surface temperature of the housing) 1
Class
T1
450°C (842°F)
T2
300°C (572°F)
T3
200°C (392°F)
T4
135°C (270°F)
T5
100°C
T6
85°C (185°F)
I
Methane
IIA
Acetone
Ethanol
Ethyl acetate
Ammonia
Pure benzene
Acetic acid
Carbon monoxide
Methanol
Propane
Toluene
N-Butane
N-Butyl
Petrol
Diesel fuel
Avgas
Heating oil
N-Hexane
Acetaldehyde
Ether
Ethyl nitrate
IIB
Ethylene
IIC
Hydrogen
Acetylene
Carbon disulphide
Tab.
21
1 A higher temperature class automatically covers a lower one (T6 is better than T1). Class IIB also covers class IIA. Class IIC also
covers classes IIB and IIA.
TEMPERATURE CLASS
T1
T2
T3
T4
T5
T6
Maximum allowed surface temperature (°C) for the housing in the corre-
sponding class
450
300
200
135
100
85
Tab.
22
Normally referred to the maximum ambient temperature of installation. The lowest ignition temperature of the explosive
atmospheres must be higher than the maximum surface temperature of the housings.
The maximum surface temperature is determined for a 5mm-thick layer of powder and the installation
regulations require a margin of 75K between the surface temperature and the ignition temperature of the
powder under consideration.
Содержание EC-940-DUA Series
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Страница 89: ...IT Italiano Manuale di istruzioni ITALIANO Serie EC 940 PTZ A Serie EC 940 DUA Telecamera PTZ antideflagrante...
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Страница 261: ...DE Deutsch Bedienungsanleitung DEUTSCH Serie EC 940 PTZ A Serie EC 940 DUA Explosionsgesch tzte PTZ Kamera...
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Страница 353: ...RU 7 MNTCMPXT_1824_RU 1 1 1 INFO 2 3 J1 6 5 19 1...
Страница 354: ...RU 8 MNTCMPXT_1824_RU 40 C 60 C IEC EN60079 14 4 4 2 10...
Страница 357: ...RU 11 MNTCMPXT_1824_RU 5 5 1 15A max 3mm 5 2...
Страница 358: ...RU 12 MNTCMPXT_1824_RU 5 3 1 PTZ 1 2 1 1 2 2 IP 1 PTZ 1 2 1 1 2 2 1 CD 1 PTZ 1 2 1 3 6 2 2 5 4...
Страница 359: ...RU 13 MNTCMPXT_1824_RU 5 5 4 5 5 1 01 4 A4 70 M10x20mm 02 Loctite 270 4 35Nm 01 02 5 4 1 1 8 238 2 0 0 3 5 3 5 3 5 3 5 6...
Страница 361: ...RU 15 MNTCMPXT_1824_RU 5 5 3 2 4 4 4 A4 70 M10x30mm 9 Loctite 270 4 35Nm 5 5 4 Loctite 270 10 2Nm...
Страница 363: ...RU 17 MNTCMPXT_1824_RU 6 3 15A max 3mm 80 C 10 C 3 4 NPT 01 02 03 02 01 03 12...
Страница 376: ...RU 30 MNTCMPXT_1824_RU 6 21 STAHL 46 47 30mm 48 49...
Страница 377: ...RU 31 MNTCMPXT_1824_RU 7 7 1 7 1 1 STAHL 7 1 2 7 1 3...
Страница 378: ...RU 32 MNTCMPXT_1824_RU 8 De Ice 0 C 60 120 8 1...
Страница 414: ...RU 68 MNTCMPXT_1824_RU 11 STAHL IEC EN 60079 19 11 1 STAHL 11 2 11 2 1 11 2 1 1 11 2 1 2 2mm 126 11 2 1 3 5mm 11 2 1 4...
Страница 426: ...RU 80 MNTCMPXT_1824_RU 15 336 336 232 232 N 4 M10 N 4 M10 138 138 398 398 128 EC 940 PTZ A...
Страница 427: ...RU 81 MNTCMPXT_1824_RU 453 453 232 232 N 4 M10 N 4 M10 138 138 398 398 129 EC 940 DUA...
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Страница 433: ...PT Portugu s Manual de instru es PORTUGU S Serie EC 940 PTZ A Serie EC 940 DUA C mera PTZ prova de explos o...
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Страница 529: ...KO 11 MNTCMPXT_1824_KO 5 5 1 15A 3mm 0 1 5 2...
Страница 530: ...KO 12 MNTCMPXT_1824_KO 5 3 1 PTZ 1 2 1 1 2 2 IP 1 PTZ 1 2 1 1 2 2 1 CD 1 PTZ 1 2 1 3 6 2 2 5 4...
Страница 531: ...KO 13 MNTCMPXT_1824_KO 5 5 4 5 5 1 4 A4 70 M10 x 20mm 02 01 Loctite 270 35Nm 01 02 5 4 1 1 8 238 2 0 0 3 5 3 5 3 5 3 5 6...
Страница 533: ...KO 15 MNTCMPXT_1824_KO 5 5 3 2 4 4 4 A4 70 M10x20mm 9 4 Loctite 270 35Nm 5 5 4 Loctite 270 10 2Nm...
Страница 535: ...KO 17 MNTCMPXT_1824_KO 6 3 15A 3mm 0 1 80 10 C 3 4 NPT 01 02 03 02 01 03 12...
Страница 548: ...KO 30 MNTCMPXT_1824_KO 6 21 OR OR STAHL O 46 OR 47 30mm 48 49...
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Страница 550: ...KO 32 MNTCMPXT_1824_KO 8 De Ice 0 C 60 120 8 1...
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