K28.0 ESFR pendent sprinkler

The K28.0 ESFR (Early Suppression Fast Response) pendent sprinkler is designed for rapid fire suppression in high-challenge storage and warehouse environments. With its exceptionally high K-factor, it delivers a powerful, high-volume water discharge to extinguish fires at their source—offering superior protection compared to standard sprinklers.

Key Features:

  • Ultra-fast response for severe fire hazards
  • Pendent design for ceiling installations
  • High K-factor (K28.0 / K400) enables maximum water discharge
  • Suppresses fire rather than just controlling it
  • Certificate: UL Listed / FM Approved
  • Standard: UL 199, NFPA 13
  • Working Pressure: 175 psi
  • Test Pressure: 500 psi (factory hydrostatic test)
  • Operating Pressure: As specified in NFPA 13 / FM requirements
  • Surface Finish: Rough brass