摘要 |
Embodiments of a door assembly with a door component that can open and close in response to pressure of fluids that flow in a fluid handling system. These embodiments utilize elements to seat and lock the door in position without the need for manual intervention and/or interaction, e.g., by a technician and/or maintenance personnel. However, these elements do not need to support the weight of the door and, thus, provide a more robust and cost effective design to achieve automated and reliable operation necessary for use in fluid handling systems. |