Plastic manholes are environmentally friendly and sustainable. They do not contaminate or cause any adverse effect on the soil or the ground where it is placed.

The size of a gate valve is a critical factor, as it determines the volume of fluid that can pass through. A 150 mm gate valve, which is equivalent to 6 inches, is often used in larger industrial applications. This size strikes a balance between manageability and capacity, allowing for effective control of significant volumes of water, oil, and other fluids.