Technical Specification:
Model & Sprinkler I.D. No.: SE003U & SE004U
Style: UPRIGHT
Response & Bulb Nominal Dia. SE003U, SE004U -Standard response,
Temperature Classification: Ordinary
Nominal Temp. Rating: SE003U – 135⁰F / 57°C & SE004U – 155⁰F / 68°C
Max. Ambient Temp. Allowed²: SE003U – 115⁰F / 46°C & SE003U – 135⁰F / 57°C
Max. Recommended Ambient Temp³: SE003U – 100⁰F / 38°C & SE003U – 100⁰F / 38°C
Glass Bulb: SE003U – Orange & SE004U – Red
Thread Size (optional): NPT 1/2 or R 1/2
Nominal Orifice Size: ½ INCH
Nominal K-factor¹: 5.6 (U.S.) / 80 (metric)
Max. working pressure: 175 psig / 1.2 Mpa (12 bar)
Factory Hydrostatic Test: 100% @ 500 psig (3.4MPa)
Min. Operating Pressure: 7 psig / 0.048 Mpa (0.48 bar)
Sprinkler Finish (optional): Natural Brass or Chrome Plated
Listings and Approvals: UL (United States)