Close this search box.

Medium velocity open spray nozzle

Medium velocity open spray nozzle

  • Certificate: UL Listed / FM Approved
  • Standard: UL 199, NFPA 13
  • Feature: K1.2 to K7.2, MV
  • W. pressure: 175 psi
  • O. pressure: 10 psi / 20 psi
  • Surface: Rough brass

Product Details

Medium velocity open spray nozzle is designed for directional spray applications in fixed fire protection systems. It does not have heat-responsive element, and discharges a uniform cone of medium velocity water droplets.

Available size

Type Nominal K-Factor Discharge angle Ref. No.
Open nozzle K1.2 (K17) 65° ~ 180° S8701 (UL/FM)
Open nozzle K1.8 (K26) 65° ~ 180° S8702 (UL/FM)
Open nozzle K2.3 (K33) 65° ~ 180° S8703 (UL/FM)
Open nozzle K3.2 (K46) 65° ~ 180° S8704 (UL/FM)
Open nozzle K4.1 (K59) 65° ~ 180° S8705 (UL/FM)
Open nozzle K4.9 (K71) 65° ~ 180° S8706 (UL/FM)
Open nozzle K5.6 (K80) 65° ~ 180° S8707 (UL/FM)
Open nozzle K7.2 (K104) 65° ~ 180° S8708 (UL/FM)

Ask For A Quick Quote

Email us at or use the form below. Normally you will be replied within 2 hours during support hours.