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Schrader Bergbau Elektrik GmbH |
Elektrische Ausrüstungen für Bergbaumaschinen und -anlagen |
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german |
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| PNEUMATIC AIRLAMPS | with fluorescent lamp - zone 1 | |
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| Using SBE - pneumatic airlamps in hazardous areas is very safe mode of illumination. | |||||||||||||||||||||||
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| pneumatic airlamp sPL 63020 / 63040 |
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| explosion- and flameproofed | |||||||||||||||||||||||
| VDE 0170 (SCH) f u. VDE 0171 (Ex ) s G5 | |||||||||||||||||||||||
| sPL 63020 | BVS-Nr.: T 3253
PTB-Nr.: III B/E 11640 |
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| sPL 63040 | BVS-Nr.: T 3559
PTB-Nr.: III B/E 11640 |
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| admission: EG-Richtlinie 94/9/EG
(ATEX-100a) applied. |
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| technical data | sPL 63020 | sPL 63040 | |||||||||||||||||||||
| operating voltage: electrical power: luminous flux: bulb: operating pressure: air consumption: ambient temperature: weight: length: diameter: air coupling: |
60 V 20 W 980 Lm 20 W fluorescent 2,5 - 7 bar appr.130 L/min -20°C - +40°C appr. 10,0 kg 810 mm 210 mm max. R3/4" |
100 V 40 W 2.500 Lm 40 W fluorescent 2,5 - 7 bar appr. 175 L/min -20°C - +40°C appr. 15,0 kg 1420 mm 210 mm max. R3/4" |
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| example of use | |||||||||||||||||||||||
| The lamps type sPL 63020 and sPL 63040 are used in workstation without an stationary powersupply. The lamps work with a low air consumption. | |||||||||||||||||||||||
| - tunneling works - tank - ships - canalisation - boiler plants |
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| The lamps can be used in all hazardous areas zone 1. | |||||||||||||||||||||||
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| description | |||||||||||||||||||||||
| Due to its special construction
an ignition of hazardous atmospheres inside and outside the lamp are
avoided by several means. At first the air flows into the lamp housing
and generates an overpressure before it flows into the generator housing
to drive the turbine wheel of the AC-generator to induce the voltage
for the bulb. If the lamp housing or the protection glass is damaged, the air flows outside first. The generator stops immediately and cannot induce any voltage for the bulb. The exhausting air prevents a penetration of explosive gases inside the lamp and can cool the spiral of a broken bulb, too. Pressure-fluctuations of the air are compensated by the air regulating system inside the lamp. The lamp-housing is made of brass. |
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