Because the type of manhole damper is mostly different, it is suitable for different types of caps with different weights. Torque adjustment requires only adjusting screws for unlimited adjustment within the torque range. The manhole damper is easy to disassemble and assemble, and the spring and other parts can be replaced. The quality is strictly controlled.
Manhole dampers can be used in chemistry, food, pharmaceutical, water treatment and other diverse fields.
The manhole damper can be easily opened and closed using the function of the spring, which is suitable for the reactor that is frequently opened and closed. After the manhole damper is opened, it is still firmly fixed on the manhole, avoiding the frequent moving it up and down, reducing the labor intensity of workers, shortening the opening and closing time, and greatly improving the production efficiency. And avoid the wear and tear to the manhole of the kettle cover when feeding.
