<p class="p2"><b>MODEL: SD5120, SD5220, SD6120, SD6220</b></p>
<p class="p2">The Model A SD5120/SD6120/SD5220/SD6220(Glass Bulb Type) ?" Standard Orifice Upright, Pendent and Recessed Pendent Standard and Quick Response. The Model A Pendent Sprinkler Identification Number (SIN). SD6120(standard) SD6220(quick) Recessed Pendent. The Model A Upright Sprinkler Identification Number (SIN) SD5120(standard) SD5220(quick). The design incorporates state-of-the-art, heat responsive, frangible glass bulb design (standard or quick response) for prompt, precise operation.</p>
<p class="p3">The die cast frame is more streamlined and attractive than traditional sand cast frames. It is cast with a hex-shaped wrench boss to allow easy tightening from many angles, reducing assembly effort. This sprinkler is available in various temperature ratings (see chart on page 2) and finishes to meet many design requirements. The recessed pendent should be utilized with a Model A recessed escutcheon which provides up 1? of adjustments. All SHIELD Sprinklers are manufactured using the time proven Belleville seal used exclusively by all major manufactures to ensure long life and safe operation.</p>