Email:   丨     Phone: 0086-13588765786
Home / Blog

Airtight Inspection Cover

The articles shown below are all about the Airtight Inspection Cover, through these related articles, you can get relevant information, notes in use, or latest trends about the Airtight Inspection Cover. We hope these news will give you the help you need. And if these Airtight Inspection Cover articles can't solve your needs, you can contact us for relevant information.
  • Airtight Inspection Cover


    The airtight manhole cover has a good sealing effect and has a built-in sealing ring. It is one of the commonly used manhole cover choices in communications, power, and other industries. Common ones are rectangle, circle, or square. The air-tight manhole cover is better fixed, not easy to loosen, and not easy to crush. An inner manhole cover can be set under the manhole cover to prevent personnel from falling into the "double insurance". The airplane door design is adopted, the inner edge of the frame has a certain slope, the outer edge of the manhole cover is parallel to it, and the manhole cover is covered, directly embedded, and will not move randomly, and sufficient clearance is reserved for the rubber ring to seal impermeable. The built-in sealing strip is made of rubber, which not only has airtightness but also reduces the noise when the car passing. Read More