EN 14595:2005 (for tanks with a operating pressure not exceeding 0,5 bar).
TUV NUMBER TȔ. AGG 414-07 – ART. 41.63.50
Four effects breather devices that satisfy the need of ventilation of tanks compartments for transport of liquid hydrocarbons and dangerous goods of class III in agreement with international regulations ADR 2015. (section 220.127.116.11.1).
Their assembly position is inside the tank compartment through the mounting hole under manlid of manhole cover. With anti overturning device made of shutter that sets the functions of overpressure and depression when the tank inclination angle reaches or exceeds 90° -180° -270°.