High-Pressure-Resistant Watertight It is a kind of watertight door which can withstand high pressure. The maximum water pressure for the door is no more than 0.5Mpa.
Pressure-Resistant Watertight Door The applicable water pressure for this door is no more than 0.15Mpa. It is suitable for the bulkhead where there is a requirement to stop the ingress of water either through weather or through an emergency flooding situation.