1. Reference standard:
GB3836.1 explosive gases with electrical equipment, part 1, general
Requirements
GB3836.3 explosive gases with electrical equipment, part 3 of increasing safety type "e"
GB3836.9 explosive environment use explosion-proof electric equipment of encapsulation type electrical equipment "m"
BD/b0901 explosion-proof coil general technical conditions
Explosion-proof marks-Exmb I/II T4 is qualified by national testing station 2. Explosionproof qualification/c number:
09 series GYB 081280 X *
12 series GYB 081281 X
13 series GYB 081282 X
16 series GYB 081283 X
14 series GYB 081284 X
17 series GYB 081285 X
20 series GYB 081286 X.
|
|
12 series |
13 series |
14 series |
16 series |
17series |
|
A |
102 |
102 |
96 |
102 |
100 |
|
B |
42 |
42 |
44 |
42 |
44 |
|
C |
12 |
13 |
14.5 |
16 |
17 |
|
D |
44 |
44 |
40 |
44 |
54 |
|
E |
26 |
20 |
20 |
26 |
27 |
