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As required by environmental bodies, in compliance with ABNT - Brazilian Technical Standards Association, the periodic inspection and maintenance in pressure and vacuum valves is mandatory and should meet the safety instructions and the equipment operation procedures contained in the manufacturer's manual. 

In compliance with INMETRO's ordinances, within a maximum of 06 months, all the gas and service stations should be submitted to conduct the preventive maintenance of refueling units. 
Such maintenance should consist, at least, of :​

Inspection, calibration.

General cleaning, replacing whatever is deemed as necessary.

Checking the tightness, preventing damages to environment.

Manutenção: Produtos
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