English to Serbian Tech/Engineering Mechanics / Mech Engineering pressure regulator

The technical features of the downstream equipment, protected by possible built-in safety slam-shut device (configuration BFL Class A and integral strength) shall be classified according to the Pressure Equipment Directive 97/23/EC, see table 1....
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Type OSE slam-shut valve is used to rapidly cut the gas flow during an overpressure or underpressure event. It is ideal for gas applications requiring positive shutoff protection, tight accuracy, fast speed of response, and high shock and vibration resistance.