| Product Overview |
Model |
SD2133 (Standard) / SD2121 (Quick Response) |
|
Sprinkler Identification |
SD2133 (5mm Bulb), SD2121 (3mm Bulb) |
|
Style |
Vertical Sidewall |
|
Installation |
Along Wall, Under Beam or Ceiling |
|
Water Pattern |
Crescent-Shaped Discharge Pattern |
| Activation Technology |
Thermal Element |
Frangible Glass Bulb |
|
Response Time Index (RTI) |
Standard: 50 / Quick Response: 30 |
|
Seal Type |
Belleville Seal (Long Life & Leak Protection) |
| Hydraulic Performance |
K-Factor |
5.6 gpm/psi½ (80 lpm/bar½) |
|
Orifice Size |
13 mm |
|
Max Working Pressure |
175 PSI (1200 kPa) |
|
Factory Hydrostatic Test |
100% @ 500 PSI (3450 kPa) |
|
Minimum Operation Pressure |
7 PSI (48 kPa) |
| Installation Features |
Thread Size |
½″ NPT (15 mm) |
|
Wrench Boss |
Hex-Shaped for Multi-Angle Tightening |
|
Escutcheon |
Recessed Type (Up to ¾″ Adjustment) |
| Design & Construction |
Frame |
Die-Cast, Streamlined Design |
|
Appearance |
More Attractive than Sand Cast Frames |
|
Finish Options |
Multiple Temperature Ratings & Finishes Available |
| Key Benefits |
Response |
Fast & Precise Operation |
|
Installation |
Easy Assembly & Secure Tightening |
|
Durability |
Proven Long-Term Safe Performance |
