




Plug door overview:
Plug door is a crucial auxiliary equipment for boilers, installed in situations requiring shut-off and adjustment of hot and cold air, coal powder, and flue gas pipelines in thermal power plant boilers. This product operates reliably, opens and closes smoothly, and seals tightly, fundamentally solving the previous shortcomings of inadequate sealing and excessive closing time for isolation doors.
Key features of the plug door:
1) Sliding door with adjustable and isolated common use, flexible adjustment, no sticking sensation
2) Available in various operating modes such as pneumatic, electric, and hydraulic
3) No air or powder leakage, achieving "zero leakage"
4) The control system is integrated with DCS, enabling remote control and automated operation.
I. Overview of Electric Plug Door
Electric plug door is a vital auxiliary equipment for boilers, installed in the cold and hot air ducts of power plants where the boiler needs to be shut off and isolated. This product operates reliably, is flexible in opening and closing, and has a tight seal, fundamentally solving the previous shortcomings of the door not closing tightly and taking too long to close. It greatly facilitates equipment switching and shutdown maintenance.
Power plants.
The main features of the electric plug door: This electric plug door features adjustable and isolated operation, offering flexibility and no sticking issues; excellent isolation performance with no leakage of gas or air. Additionally, the power distribution system can interface with DCS for automated operation effects.
III. Technical Specifications of Electric Plug Door
1) Equipment Medium: Cold, Hot Air
2) Operating Temperature: ≤600℃
Note: Electric plug-in door can be installed in rectangular, circular, and various specifications of ducts, with dimensions determined by the user. The thickness of the air door is generally 500mm.




































