Email: info@jinmengcomposite.com   丨     Phone: 0086-13588765786
Blog
Home / Blog

Airtight Inspection Cover

These articles are all highly relevant Airtight Inspection Cover. I believe this information can help you understand Airtight Inspection Cover's professional information. If you want to know more, you can contact us at any time, we can provide you with more professional guidance.
  • Airtight Inspection Cover

    2021-01-30

    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