Cast Iron Manhole Cover – Size 150

Cast Iron Manhole Cover – Size 150

Advantages and Applications

The Size 150 cast iron manhole cover is primarily used to cover manholes and access openings to underground utility lines. These covers help prevent accidents such as people or vehicles falling into manholes and ensure safer movement on streets and pedestrian walkways.
When inspection or maintenance of underground utilities such as electricity, telecommunications, gas, water, and wastewater lines is required, technicians can easily access these facilities by removing the cast iron manhole cover.

Manufacturing and Construction Features

Size 150 cast iron manhole covers can be manufactured in various designs and with different logos. To increase the strength and durability of these covers, special sulfate-resistant cement is used. The manufacturing process generally involves steam curing for approximately 8 hours, allowing the final product to achieve the required quality and strength.
The use of modern cast iron manhole covers improves safety in areas containing wastewater openings. In the past, manhole covers were often manufactured with built-in steps; however, most modern covers are produced without steps and are used in a wide range of environments.

Dimensions and Types of Cast Iron Manhole Covers

Due to their wide range of applications and excellent casting properties, cast iron manhole covers are manufactured in various dimensions and shapes, including square, rectangular, and circular designs.

Square Cast Iron Manhole Covers

Common sizes include:
30×30, 40×40, 50×50, 60×60, 80×80, and 100×100 cm.

Rectangular Cast Iron Manhole Covers

Common market sizes include:
30×20, 40×30, 50×40, and 60×50 cm,
as well as larger sizes such as 80×60 and 100×80 cm.

Circular Cast Iron Manhole Covers

These covers are generally installed over urban manholes and are manufactured in different sizes depending on the diameter of the opening.
Common sizes include 60, 80, and 100 cm.