| Customization: | Available |
|---|---|
| Sprinkler Installation: | Pendent |
| Sprinkler Head Type: | Closed |
|
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Model Number
|
Size
|
K factor
|
Tempurature
|
Response Type
|
Glass Bulb
|
|
T-ZSTX-20-57ºC
|
3/4''(DN20)
|
8.0
|
57ºC
|
Standard
|
5mm,Orange
|
|
T-ZSTX-20-68ºC
|
3/4''(DN20)
|
8.0
|
68ºC
|
Standard
|
5mm,Red
|
|
T-ZSTX-20-79ºC
|
3/4''(DN20)
|
8.0
|
79ºC
|
Standard
|
5mm,Yellow
|
|
T-ZSTX-20-93ºC
|
3/4''(DN20)
|
8.0
|
93ºC
|
Standard
|
5mm,Green
|
|
T-ZSTX-20-141ºC
|
3/4''(DN20)
|
8.0
|
141ºC
|
Standard
|
5mm,Blue
|
|
K-ZSTX-20-57ºC
|
3/4''(DN20)
|
8.0
|
57ºC
|
Quick
|
3mm,Orange
|
|
K-ZSTX-20-68ºC
|
3/4''(DN20)
|
8.0
|
68ºC
|
Quick
|
3mm,Red
|
|
K-ZSTX-20-79ºC
|
3/4''(DN20)
|
8.0
|
79ºC
|
Quick
|
3mm,Yellow
|
|
K-ZSTX-20-93ºC
|
3/4''(DN20)
|
8.0
|
93ºC
|
Quick
|
3mm,Green
|
|
K-ZSTX-20-141ºC
|
3/4''(DN20)
|
8.0
|
141ºC
|
Quick
|
3mm,Blue
|
Q1: What is the significance of the K - factor in the K = 5.6/8.0 fire sprinkler?
A: The K - factor is a coefficient that relates the flow rate of water through the sprinkler to the pressure. It helps in determining the amount of water the sprinkler will discharge at a given pressure. A higher K - factor (like 8.0 in these models) indicates that the sprinkler will discharge more water for a given pressure compared to a sprinkler with a lower K - factor. This is important for proper fire suppression design, as it affects the coverage and effectiveness of the sprinkler system.
2.Q2: How does the response type (standard vs. quick) impact the performance of the fire sprinkler?
A: Standard - response sprinklers are designed to activate after a certain period of heat exposure, which can be useful in some applications where a more controlled activation is desired. Quick - response sprinklers, on the other hand, activate more rapidly in the presence of heat. This makes them ideal for areas where fast fire suppression is crucial, such as in high - hazard environments or areas with a high risk of rapid fire spread. The quicker activation can help prevent the fire from growing larger and causing more damage.
3.Q3: Why are different glass bulb colors used in the fire sprinklers, and what do they signify?
A: The different glass bulb colors correspond to different activation temperatures. For example, an orange - colored 5mm bulb indicates a 57°C activation temperature, while a red 5mm bulb indicates 68°C. This color - coding system makes it easy for installers and inspectors to quickly identify the activation temperature of the sprinkler without having to refer to technical documentation. It also helps ensure that the correct sprinklers are installed in areas with appropriate temperature - sensitivity requirements.
4.Q4: Can the K = 5.6/8.0 fire sprinklers be used in outdoor applications?
A: These fire sprinklers can be used in outdoor applications, but they need to be protected from the elements. Extreme temperatures, UV radiation, and moisture can affect their performance and lifespan. In cold climates, measures may need to be taken to prevent freezing, such as using antifreeze solutions or insulating the sprinkler heads. In sunny areas, UV - resistant coatings or covers may be beneficial to protect the glass bulbs and other components.
5.Q5: How often should the fire sprinklers be inspected and maintained?
A: Fire sprinklers should be inspected and maintained regularly. At a minimum, they should be visually inspected monthly for any signs of damage, such as broken glass bulbs, blocked nozzles, or loose connections. Annual inspections by a qualified professional should also be carried out, which may include more in - depth testing of the sprinkler system's functionality, checking the water flow, and verifying the integrity of all components. Additionally, the sprinklers should be tested as part of a full system test at least once every five years.
6.Q6: What is the difference between the 5mm and 3mm glass bulbs in terms of sprinkler performance?
A: The main difference lies in the response time. The 3mm glass bulbs are typically used in quick - response sprinklers. Their smaller diameter allows them to break more rapidly when exposed to heat, enabling a quicker activation of the sprinkler. In contrast, the 5mm glass bulbs are used in standard - response sprinklers, which have a slightly slower activation time due to their larger size.
7.Q7: Can the K = 5.6/8.0 fire sprinklers be installed in a system with a variable water pressure?
A: These fire sprinklers can be installed in a system with variable water pressure, but the pressure should remain within the recommended operating range. The K - factor helps determine the flow rate at different pressures. However, significant fluctuations in water pressure outside the recommended range can affect the sprinkler's performance, such as the uniformity of water distribution and the overall effectiveness of fire suppression. Pressure - regulating devices may be needed to maintain the appropriate pressure for optimal operation.
8.Q8: How do I choose the appropriate activation temperature for a fire sprinkler in a specific application?
A: The choice of activation temperature depends on the environment where the sprinkler will be installed. In areas with normal ambient temperatures, such as offices or residential buildings, a sprinkler with a lower activation temperature (e.g., 57°C or 68°C) may be sufficient. In areas with higher ambient temperatures, like kitchens or industrial processes that generate heat, sprinklers with higher activation temperatures (e.g., 79°C, 93°C, or 141°C) should be used to prevent false activations.
9.Q9: What safety features do the K = 5.6/8.0 fire sprinklers have to prevent accidental activation?
A: The glass bulb design acts as a safety feature. It is designed to break only when the predetermined temperature is reached. The bulb is made of a specific type of glass that has a known thermal - expansion property, ensuring that it will break at the intended temperature and not due to normal temperature fluctuations or minor impacts. Additionally, the overall design of the sprinkler head is engineered to withstand normal environmental conditions without accidental activation.
10.Q10: Can the K = 5.6/8.0 fire sprinklers be retrofitted into an existing fire sprinkler system?
A: Yes, these fire sprinklers can often be retrofitted into an existing fire sprinkler system. However, several factors need to be considered. The size (3/4" or DN20 in this case) must be compatible with the existing piping. Also, the system's water pressure and flow rate capabilities should be able to support the new sprinklers. It's important to ensure that the retrofit does not violate any local fire codes or regulations. Consulting with a professional sprinkler installer or engineer is recommended to ensure a proper and compliant installation.
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