ZSTD concealed glass ball sprinkler is widely used in luxury hotels, high-level hotels and decorative requirements of high entertainment and so on. When the fire occurs, the ambient temperature rises to reach the melting point of the fusible alloy when the temperature of the decorative plate automatically fall off, telescopic screws and splash pan fall together, as the temperature continues to rise, the nozzle of the glass ball because of the temperature of liquid expansion And broken to achieve the purpose of automatic water spray.

Technical characteristics

Nominal diameter: 15mm, flow coefficient: K = 80

Maximum working pressure: 1.2MPa, operating temperature: 68 ℃

The use of ambient temperature: 4 ℃ -38 ℃, spray nozzle down the amount of water: 89%