Manhole Covers

AILE Manhole Cover is designed to provide multiple protections to the tank truck. It is installed on the top of tank truck and hatch with safety lid that provides an entrance for fluid transfer operation, inspection and maintenance purposes. During normal operation, internal pressure of tank can be various due to temperature change, loading and unloading. Its integrated pressure balance valve will automatically adjust pressure to keep tank in safe condition. When encountered in an accident, emergency vent valve will quickly open and vent internal air to prevent explosion.