Water Curtain Sprinkler

The gw fyrhed water curtain 360 nozzle is developed to provide a dense full circle flat water spray curtain to protect persons or structures from open fire heat radiation.

Water curtain sprinkler. Water spray nozzles these are similar nozzles as of sprinkler but only difference is there is no bulb used and they are having open orifice which could not hold water pressure. The nozzles when installed in horizontal position discharge waterin uniform flat curtain extending to the ground. These nozzles are having threaded inlet and deflector at outlet and fitted on the pipe array as same as sprinkler. Sidewall permits the window mullion to act as a baffle allowing the sprinklers to be spaced closely together if necessary.

How to create a fire sprinkler system in revit duration. Sprinklers in water curtains shall be hydraulically designed to provide three gpm per lineal foot of water curtain with no sprinkler discharging less than 15 gpm. Unsubscribe from ravi kumar. The gw water curtain nozzle is developed to provide a flat fan spray where water is distributed in a 240 x 15 part circular perpendicular to the nozzle axis.

According to the author brad keyes chsp nfpa 13 1999 edition is the standard for the installation of water based sprinklers referenced by the 2000 edition of the lsc. Pendent allows installation farther away from the glass than the sidewall. Nfpa 13 does not specify an equivalent fire separation rating for water curtains. The number of sprinklers calculated in the water curtain shall be the number in the length.

Dzan ta 12 489 views. The water curtain sprinkler must be installed within 12 of the ceiling. Operable windows can not be protected. Doors in these fire partitions must be treated separately.

So not certain why one was being installed. See figure 1 window sprinklers are also only intended to protect fixed glass. The maximum distance a sprinkler can be installed below a ceiling is 12 inches with some exceptions. I ve often heard architects ask about using water curtains or deluge sprinklers when they have a rated fire barrier and are looking to incorporate a window.

As required in section 11 3 3 1 nfpa 13. Water curtain system ravi kumar. The request is commonly for closely spaced standard sprinklers to comprise a 1 hour or 2 hour fire barrier. First sprinklers to be ul c ul listed icc es and ulc listed approved for maintaining a rated assembly.