Vertical Lock-Ring Type Quick-Open Blind Plate
The switch is lightweight and can be easily opened or closed by one person in under a minute, with straightforward operation. It also features a safety interlock device and complies with relevant provisions outlined in the national industry standards SY/T0556, "Technical Specifications for Quick-Acting Blind Flanges," as well as the "Safety Supervision and Inspection Regulations for Stationary Pressure Vessels."
Horizontal Lock-Ring Type Quick-Open Blind Plate
Before closing the blind plate, this device must be properly installed; otherwise, the equipment cannot be pressurized. Before opening the blind plate, this device must first be deactivated to safely release any residual pressure inside the equipment—otherwise, the blind plate will remain locked and unable to open.