Concealed Fire Sprinkler – ZSTDY-1/2”&3/4”- K=5.6&K=8.0

Basic parameters:

Brand Name:SICH
Place of Origin:Fujian, China
Model Number:ZSTDY
Main Material: Brass,Chrome,Glass bulb
Thread Size: DN15 (1/2”) / DN20 (3/4”)
Glass Bulk Color:Orange,Red, Yellow,Green,Blue
Sensitive Element: JOB® Brand Glass Bulb;
Seal Material: NBR (Teflon Optional)

Product Description:

1/2″ Sidewall,Upright,Pendent sprinkler, Standard/QuickResponse,Is designed for use in automatic sprinkler systems per the installation standard (GB50084-2017).
The temperature response is standard response (5mm glass bulb) and fast response(3mm glass bulb). When heat is absorbed, the the thermal-sensitive liquid within the bulb expands, increasing the internal pressure. When the internal pressure, it will cause the glass to shatter. This will result in the water discharge, which is distributed in an approved pattern, depending on the deflector style used.

Features :

  • K FACTOR: K 5.6 @US (8.0 @Metric) / K 8.0 @ US (115 @Metric);
  • Thread Size: DN20 (3/4”);
  • Connecting Thread: BSP (NPT Optional);
  • Main Material: Brass;
  • Sensitive Element: JOB® Brand Glass Bulb;
  • Seal Material: NBR (Teflon Optional);
  • Surface Finishing : Chrome (Natural Brass Optional).

 

Technical parameter:

Model   Number Style Size K factor Temperature Response Type
ZSTDY15-68°C Concealed 1/2”   (DN15) 5.6 68°C Standard
K-ZSTDY15-68°C Concealed 1/2”   (DN15) 5.6 68°C Quick
ZSTDY20-68°C Concealed 3/4”   (DN20) 8.0 68°C Standard
K-ZSTDY20-68°C Concealed 3/4”   (DN20) 8.0 68°C Quick

 

Additional information

Brand Name :

SICH

Main Material:

Brass,Chrome,Glass bulb

Thread Size:

DN15 (1/2”) / DN20 (3/4”)

Place of Origin:

Fujian, China

Leave Your Message