Specification/Model: 200*255*410*34
Applicable Equipment: Launching and receiving steel sleeves or tunnel portals
Description: Used for receiving or launching
Shield machine launching and receiving tunnel portal sealing: Installed on the embedded tunnel portal steel ring at the station or shaft, it provides sealing when the shield machine enters or exits the tunnel, preventing external groundwater and soil from intruding.
Steel wires can be threaded through its rear structure to achieve a tightening function, ensuring superior sealing performance.
