Horizontal sidewall sprinklers are generally used in lieu of pendent and upright sprinklers because of building construction or installation economy considerations. They are designed for installation along a wall or the side of a beam and just beneath a smooth ceiling. Installed with their centerline of waterway horizontal, these sprinklers produce a quarter-spherical water discharge pattern that is predominately directed downward and outward from the deflector; However, a portion of the spray is also directed towards the back wall.
Model NX017 / NX018, Standard / Quick Response Horizontal Sidewall Sprinklers are automatic sprinklers of the frangible bulb type, and standard spray, 1/2" orifice, 5 / 3 mm bulb. They are "standard / quick response - standard orifice sidewall sprinklers" intended for use in fire sprinkler systems designed in accordance with the standard installation rules recognized by the applicable Listing or Approval agency (e. G., UL Listing is based on NFPA 13 requirements).
| Model & Sprinkler I. D. No. | NX017 | NX018 |
| Style | Horizontal Sidewall |
| Response & Bulb Nominal Dia. | Standard Response, Ø 5 mm | Quick Response, Ø 3 mm |
| Thread Size [Optional] | NPT1/2 or R1/2 |
| Nominal Orifice Size | 1/2 Inch |
| Nominal K-Factor 1 | 5.6 (U. S. )/80 (metric) |
| Max. Working Pressure | 175 psig/1.2 MPa (12 bar) |
| Factory Hydrostatic Test | 100% @ 500psig (3.4 MPa) |
| Min. Operating Pressure | 7 psig/0.048 MPa (0.48 bar) |
| Sprinkler Finish [Optional] | Natural Brass or Chrome Plated or White Color Coated |
| Listings and Approvals | UL(United States)/ULC(Canada) |
AVAILABLE TEMPERATURE RATING
| Temp. Classification | Ordinary | Ordinary | Intermediate | Intermediate |
| Nominal Temp. Rating | 135° F/57° C | 155° F/68° C | 175° F/79° C | 200° F/93° C |
| Max. Ambient Temp. Allowed 5 | 115° F/46° C | 135° F/57° C | 155° F/68° C | 180° F/82° C |
| Max. Recommended Ambient Temp. 6 | 100° F/38° C | 100° F/38° C | 150° F/65° C | 150° F/65° C |
| Glass Bulb Color 7 | Orange | Red | Yellow | Green |
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