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K22.4 ESFR pendent sprinkler

K22.4 ESFR pendent sprinkler

  • Certificate: UL Listed / FM Approved
  • Standard: UL 199, NFPA 13
  • Feature: K22.4 (K323), ESFR, pendent
  • W. pressure: 175 psi
  • T. pressure: 500 psi, factory hydrostatic test
  • O. pressure: Refer to NFPA 13 / FM spec.
  • Surface: Rough brass

Product Details

K22.4 ESFR (Early suppression fast response) pendent sprinkler is designed to offer extremely fast response for specific high-challenge fire hazards. It discharges large volumes of water in short time to suppress rather than control fire.

Available size

Type Temperature rating Working pressure (psi) Ref. No.
ESFR pendent 165°F (74°C) 175 S6501 (UL/FM)
ESFR pendent 205°F (96°C) 175 S6502 (UL/FM)
ESFR pendent 212°F (100°C) 175 S6503 (UL/FM)

Note: For end connection, 1″ grooved is also available for temperature rating 165°F (74°C) and 212°F (100°C).

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