It is usually engraved on either the top of the reflector or the side of the sprinkler head.
25-150 gallons per minute is standard depending on the type of sprinkler head. Residential sprinklers will be closer to 25. That flow is for a SINGLE sprinkler head. Typically the fire will be extinguished by just activating one sprinkler head.
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Fire sprinkler systems are effectively already zoned - you don't need to do anything special. When your fire sprinkler system detects a fire, it doesn't set off all the sprinkler heads at once. Instead, each fire sprinkler head goes off when the temperature underneath it reaches a specific temperature, meaning only the ones affected by the fire will go off.
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Residential and commercial Wet and dry standby Manual and automatic Deluge and sprinkler-head-valved
The purpose of the sprinkler system cap is to cover and protect the sprinkler head from damage and debris. It helps maintain the integrity of the system by ensuring that the sprinkler head remains functional and can effectively distribute water in case of a fire emergency.
A sprinkler head plug is used to block off a sprinkler head in a sprinkler system. It is typically used when a sprinkler head needs to be temporarily removed or replaced. The plug prevents water from flowing out of the system through the open hole where the sprinkler head would normally be.
To cap a sprinkler head, you can use a sprinkler head cap or plug that fits the size of the sprinkler head. Simply twist or push the cap onto the sprinkler head to cover it and stop water flow. Make sure to turn off the water supply before capping the sprinkler head.
To remove a sprinkler head, first turn off the water supply to the sprinkler system. Use a wrench to unscrew the sprinkler head in a counterclockwise direction. Be careful not to damage the surrounding pipes or fittings. Once the sprinkler head is removed, you can replace it with a new one if needed.
To cap off a sprinkler head effectively, you can use a sprinkler head cap or plug that fits securely over the head. Make sure to turn off the water supply to the sprinkler system before capping the head to prevent leaks.
In a deluge system the water comes out of all sprinkler heads at once, compared with most fire sprinkler systems in which each sprinkler head has its own heat-sensitive trigger. There are major design differences in how much water you need for a deluge system and what safety interlocks are built into the system to prevent accidental water damage.
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