Vishnu Technocast

What is the standard size of manhole cover?300mm x 300mm to 1200mm x 1200mmTypically, manhole cover sizes will range from 300mm x 300mm to 1200mm x 1200mm and be either square, rectangular or round in shape. The size of a manhole will need to be large enough to suit the maximum pipe size and are typically at least 1 metre deep.

Man Hole Cover use for under ground water tank cover as well as Manhole drainage system cover. This product made from PVC Material. This is also provide safety lock. Very easy to fix it with frame and durable item.AN ISO 9001:2015 Certified Company.

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