foam sprinkler nozzle mateial: SS, brass+ nickle plated, body nickle plated+SS nets design feature of foam sprinkler nozzle Eternal foam sprinkler heads mounted within the roof structure provide an even distribution of foam assuring fast flame knock down and fire control They also provide cooling to the structure and protection from heat radiation. Spray systems employing foam sprinklers have great utility in fire protection of aircraft hangars, chemical process areas, petroleum loading racks, terminals, refineries and flammable liquid storage areas. HS Code: 8705309000