Product Description
1) Material:
A) Chrome-plated frame / brass frame.
B) Orange/ Red /Yellow / Green color glass bulb.
C) Chinese glassbulbs, German glassbulbs, UL listed glassbulbs.
2) Models:
A) ZSTP-15/20: Conventional sprinkler
B) ZSTZ-15/20: Upright sprinkler
C) ZSTX-15/20: Pendent sprinkler
D) ZSTBX-15/20: Sidewall pendent sprinkler
E) ZSTBS-15/20: Sidewall horizontal sprinkler
3) Glassbulb working temperatures: 57 / 68 / 79 / 93 / 141 degrees centigrade.