CARA KERJA SISTEM FIRE SPRINKLER ALAT PEMADAM API OTOMATIS PADA GEDUNG / BANGUNAN

Summary

In this video, the speaker introduces the essential role of Ringroad sprinklers, a critical fire protection system for buildings. They explain how automatic sprinkler systems work by releasing water when a fire is detected, with sprinkler heads that respond to heat and activate through a pressure switch. The video covers the classification of sprinkler systems based on fire hazard levels, the components of the system, and the significance of sprinkler heads with different temperature ratings. The speaker emphasizes the importance of sprinklers for fire prevention and safety, making it an invaluable system in various buildings such as hospitals, factories, and hotels.

Takeaways

• 😀 The system discussed is called an automatic sprinkler system, which works to extinguish fires or at least prevent their spread.
• 😀 Sprinklers are an essential active protection system in buildings, helping to prevent and manage fire hazards.
• 😀 Sprinkler systems are typically installed in buildings at high risk for fires, such as hospitals, factories, hotels, and office buildings.
• 😀 The main causes of fire include electrical short circuits, poor housekeeping, welding accidents, natural disasters (like lightning or volcanic eruptions), and intentional sabotage.
• 😀 The sprinkler system works by releasing water when the temperature from the fire causes the glass in the sprinkler head to break.
• 😀 Sprinkler heads are activated automatically when exposed to heat (around 68°C), releasing water to suppress the fire.
• 😀 There are three types of fire hazards based on the sprinkler system design: light hazard, ordinary hazard, and high hazard, each with specific coverage areas and water spray intensity.
• 😀 Sprinklers have several key components: water storage, pumps, pipes, valves, pressure gauges, and sprinkler heads, each playing a role in ensuring effective fire protection.
• 😀 The color of the sprinkler head is significant, indicating the temperature at which the glass in the head will break, with colors ranging from orange (53°C) to black (260°C).
• 😀 Sprinkler systems are designed to target specific areas based on where a fire is most likely to start, with sprinkler heads facing upwards, downwards, or sideways depending on the layout of the building.

Q & A

What is the purpose of a sprinkler system in buildings?

A sprinkler system is crucial for preventing and extinguishing fires in buildings. It works by automatically spraying water to control or minimize the spread of fire.

How does an automatic sprinkler system work?

The system uses pressurized water, which is sprayed in all directions to extinguish the fire. When a sprinkler head detects heat, a glass bulb inside it breaks, activating the flow of water.

What are the main types of fire hazards that sprinklers are designed to address?

Sprinklers are designed to address fire hazards caused by electrical short circuits, poor housekeeping, welding activities, natural disasters like lightning or forest fires, and intentional acts such as sabotage.

What are the components of a sprinkler system?

Key components include a water reservoir, a fire pump, various pipes (suction, header, distribution, riser, and branch pipes), alarms, valves, pressure gauges, and sprinkler heads.

What triggers a sprinkler head to release water?

A sprinkler head is triggered when it detects a rise in temperature caused by a fire. The heat breaks a glass bulb filled with a sensitive liquid, which activates the water flow.

What types of fire hazards are covered by sprinkler systems based on hazard classification?

Sprinkler systems are classified into three categories: light hazard (e.g., office buildings), ordinary hazard (e.g., manufacturing plants), and extra hazard (e.g., chemical factories). Each has different water discharge rates and coverage areas.

Why are sprinkler heads installed with different spray directions?

Sprinkler heads are installed with different spray directions (upwards, downwards, or sideways) depending on the structure and layout of the building to ensure effective fire suppression.

What is the function of the pressure switch in a sprinkler system?

The pressure switch is activated when the glass bulb in the sprinkler head breaks. It creates pressure in the system, which triggers the pump to start supplying water to the sprinkler heads.

How does the color of a sprinkler head indicate its temperature tolerance?

The color of a sprinkler head indicates the temperature at which it will activate. For example, orange corresponds to 53°C, red to 68°C, yellow to 79°C, and other colors indicate higher temperatures.

What role does a fire pump play in a sprinkler system?

The fire pump transfers water from the reservoir to the sprinkler heads. It ensures that water is pumped under sufficient pressure to effectively extinguish or control a fire.