What is the temperature rating for Ordinary Classification Heads?

For Ordinary Classification Heads, the correct temperature rating falls within the range of 135-170 °F. This classification is important in fire safety and sprinkler systems as it helps to determine the activation temperature of the sprinkler heads used in various environments. Ordinary classification heads are designed for areas that are not subject to extreme heat or cold, making the specified temperature range suitable for most typical settings such as commercial buildings, warehouses, and offices.

The identification of temperature ratings is critical for ensuring that the sprinkler system responds appropriately in case of a fire, allowing for effective suppression before the fire can spread further. Adhering to the proper classification is essential for maintaining fire safety standards and ensuring adequate protection for occupants and property.

Other ranges provided do not align with the standard specifications for ordinary classification heads, indicating they may refer to different classifications or specialized uses that are not applicable to typical environments where ordinary classification heads are employed.