Scope of application
Applicable to areas 1 and 2 of explosive gas environment;
Applicable to II A, II B, II C explosive gas environment;
Suitable for temperature groups from T1 to T6;
Widely used in oil exploration, oil refining, chemical industry, military and other dangerous environments and offshore oil platforms, oil tankers and other places.
*Please request Class II C to indicate.
Technical Parameters
Executive standard: GB3836.1, GB3836.2
Explosion-proof signs: Exd II BT6 Gb, Exd II CT6 Gb
Rated voltage: AC36V, 110V, 220V, DC 12V, 24V, 36V
Power:≤20W
Use category: AC, DC
Protection level: IP54
Sound intensity:≥75dB (R=2?m)
Bell cover diameter: 125mm
Inlet thread: G3/4" inlet specification
Cable outer diameter: suitable for ?8mm~ ? 14mm cable
Feature of product
The internal structure is completely new design, and the small motor drives the cam to knock the bell bowl, which has stable performance and long life;
The AC and DC electric bells are all explosion-proof cylinders with good explosion-proof performance, safe and reliable;
The outer casing is die-casted with ZL 102 aluminum alloy, and the surface is electrostatically sprayed with high pressure;
The surface of the bell bowl is enamel-plated with bronze, which does not cause sparks when struck.
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Selection table |
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Model specification |
Rated voltage (V) |
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BLA-口A |
AC36、110、220 |
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BLA-口-D |
DC12、24、36 |
