low pressure watermist nozzle

Model OH Anti-Ligature nozzle

The FIREKILL™ OH Anti-Ligature Automatic Low Pressure Watermist nozzles are small semi-concealed nozzles made with tamper-resistant construction. The OH Anti-Ligature Low Pressure Watermist Nozzles have been designed for use with concealed piping in institutional mental health occupancies, correctional facilities, or anywhere tampering of the nozzles may exist.
Data sheet
Anti ligature watermist nozzle
Data sheet

Min. water pressure

6 to 8 bar

Max. working pressure

16 bar ≈232 psi

Drop size

DV90 < 300 μm

Water capacity design

72 m2 / 6 to 9 nozzles

Kv metric

Depends on type

Flow rate at min pressure

Depends on type

Nominal density

Depends on type

Coverage

Depends on type

Aesthetic

Aesthetic fire protection

The FIREKILL™ OH Model OH Low Pressure Watermist Nozzles are installed recessed in a ceiling or a wall, using the OH-S42 nozzle spanner not to damage either nozzle or the surrounding ceiling/wall. The nozzle Cover Plate protruding 10-15 mm from the surface, being the only visible parts of the nozzle in its daily. The FIREKILL™ OH nozzles can be delivered in different paint and finishes making the system blend in with almost any type of surface, securing the aesthetics of the surroundings. The nozzles can also be delivered with logo print.

Description

Application

The FIREKILL™ Model OH Anti-Ligature Automatic Low Pressure Watermist nozzles are small semi-concealed nozzles made with tamper-resistant construction. OH Low Pressure Watermist Nozzles have been designed for use with concealed piping in institutional mental health occupancies, correctional facilities, or anywhere tampering of the nozzles may exist. The OH Anti-Ligature nozzles should be used together with the OH-ALRTH rosette only. Tests simulating conditions of misuse demonstrate the fusible element assembly consistently breaks away when connected to a 10.6 kg weight for sidewall nozzles and 12 Kg dropped 200 mm for pendent nozzles.

Test and Approvals

Test

The FIREKILL™ OH series of nozzles has been tested an approved for a variety of application and occupancy clasifications.

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