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2016-08-03
In August 2016 EMIT delivered Explosion Proof Motor with Pressurization System to SIAD Macchine Impianti S.p.A.
   
2016-06-14
23rd edition of UGOL ROSII & MINING in Novokuznetsk
   
2016-05-25
80 pcs. of STD225-4A traction motors
   
2016-04-20
Machine assembly for Fabryka Transformatorów w Żychlinie sp. z o.o.
   
2016-03-22
EMIT to deliver 4pcs. of two speed motors for SPIG S.p.A.
   
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2016-08-03

Explosion Proof Motor with Pressurization System

In August 2016 EMIT delivered Explosion Proof Motor with Pressurization System to SIAD Macchine Impianti S.p.A.

The motor delivered to SIAD Macchine Impianti S.p.A. is Medium Voltage Explosion Proof Motor with Pressurization System. Basic parameters are as follows:

 

Motor type

pSh500H12A

Rated power [kW]

250

Rated speed [rpm]

497

EX characteristic

Ex eb pxb IIC T3 Gb

Voltage [v]

6000

Freqency [Hz]

50

Efficiency [%]

95,2

Ambient temperature [°C]

-20 ¸ +52

Insulation class / temperature rise

F (VPI) / B

Cooling system

IC411

 

The principle of a pressurized apparatus

Ingress of a flammable gases is prevented by maintaining a protective gas, inside the enclosure, at a higher pressure than the surrounding atmosphere. As long as this positive pressure is maintained, no gas (or even dust) will be able to enter the enclosure. Motor's housing is purged prior to pressurization in order to ensure that potentially explosive gases do not occur in the housing.

The motor is equipped with certified system which is responsible for purging process and for creating and maintaining positive pressure inside motors housing. In case purging cycle is not completed or if the enclosure pressure drops below the specified pressure the motor will not be energized.

 

 

pSh500H12A


 

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