manhole cover, tank truck cover, tank covers

manhole cover, tank truck cover, tank covers - details see: https://www.machineto.com/manhole-cover-tank-truck-cover-tank-covers-10281789

Place of Origin:Shanghai China (Mainland)

Brand Name:cowell

Model Number:RKG-1

manhole cover, tank truck cover, tank covers

Description

Manhole is installed on the top of the tank, built-in pressure& vaccum vent & emergency vent.

Characteristics

• Pressure & vaccum vent, while inside pressure higher than 6-8 Kpa or lower 2-3Kpa than the outside, will be open to balance the different pressure. While the difference pressure less than -2~6Kpa, the P/V vent will be closed to keep the product not volatilized.

• Automatic sealing of P/V vent in a roll over situation prevents dangerous and splliage.

• When the inside pressure is higher 21-32kpa than the outside. The emergency vent will be open automatically to keep tank safe. The vent capacity is 7000M3/h.

• Two-stage opening allows safe release of residual compartment pressure before fully opening the fill cap.

• Easy maintenance, convenience, safety.

• Working pressure:0.6Mpa