F. WATER CURTAIN NOZZLE

TECHNICAL DATA

MODEL CN in Brass IS319/ASTM B16
CNS in Stainless Steel
construction
MAXIMUM WORKING 12.3 Bar (175 PSI)
PRESSURE
END CONNECTION ½” BSPT (NPT OPTIONAL)
K- FACTOR K20, K23, K32, K42, K58,
K79
FINISH CN – Natural Brass finish,
Nickel Chrome plated
CNS- Natural finish
WEIGHT (Approx.) 0.180 Kg
APPROVAL UL Listed
ORDERING Specify:
INFORMATION a) Model
b) K factor
c) Finish

Description

F. WATER CURTAIN NOZZLE
F. WATER CURTAIN NOZZLE

Window Curtain Nozzles are non-automatic, open, “outside” sprinklers intended for protection of windows, walls and roofs against exposure fires.
The directional discharge produces a flat fan shaped spray pattern. Used to produce a water curtain, they are installed on manual or automatic deluge systems. Window Curtain Nozzles are available in Stainless Steel construction with different flow rate.

INSTALLATION

The spray nozzle must be handled with due care. For best results, the storage as well as any further shipment be made in original packing only. Nozzle which is visibly damaged should not be installed. Use Teflon tape or soft thread sealant on male thread of the nozzle. The nozzles must be tightened into the fitting. Excessive tightening torque may result into serious damage to nozzle arms and the deflector which may affect spray pattern of the nozzle and it’s performance. Spray nozzles are to be installed in accordance with the latest published standards of NFPA or similar organizations and also with the provisional governmental code, ordinance and standards whenever applicable. The use of these nozzles may be limited due to occupancy and hazard, refer to Authority having jurisdiction prior to installation.

INSPECTIONS, TESTS & MAINTENANCE
It is recommended that window spray system be inspected regularly by authorised technical personnel. The nozzle must be checked for atmospheric effects, external and internal obstruction, blockage if any. The nozzles should be cleaned or replaced if required. The system must be operated with optimum water flow at least twice in a year or as per the provisions of NFPA or local authority having jurisdication. The owner is solely responsible for maintaining the water spray system and the components therein so that it performs properly when required