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5. Fire Protection Systems In fire suppression systems, gate valves are used to isolate water supplies and control the flow to sprinkler systems. Their reliable shut-off capability is critical in emergency situations.

Manhole closings are protected by a grating or manhole cover, a flat plug designed to prevent accidental or unauthorized access to the manhole. These covers are traditionally made of metal,^[2] but may be constructed from precast concrete, glass reinforced plastic or other composite materials (especially where cover theft is of concern). Because of legislation restricting acceptable manual handling weights, Europe has seen a move toward lighter-weight composite manhole cover materials, which also have the benefits of greater slip resistance and electrical insulating properties.

Manholes And Their Importance

Benefits of Using an 8-Inch Pipe Repair Clamp