I. Description:

ZSTYS20 early suppression fast response sprinkler (ESFR) means RTI≤28±8(m.s)0.5and it is used for protecting high stow and high warehouse. It is specially designed for high dangerous fire.

II. Characteristics:

ZSTYS20 sprinkler adopts 68°C、F2.5mm response glass bulb. It has good performance of quick response. Owing to quick response and water flow, the sprinkler can realize early suppression to the high dangerous fire.

To assure the performance of early suppression, ZSTYS20 sprinkler only has pendant type.

III. Technical Parameters:

1.Installation Method: Pendant

2.Nominal Caliber：20mm，Connecting Screw: R3/4

3.Coefficient of Flow：K=200

4.Response Time Index（RTI）≤28±8(m.s)0.5

5.Max. Operating Pressure：1.2MPa

6.Operation Temperature：68°C

7.Max. Coverage Area：9.3m2

8.Min. Coverage Area：7.4m2

9.Weight：235g