PD Glass Bulb Sprinkler (Concealed Pendent)


PD’s range of automatic sprinklers is compact, highly durable and comes in several temperature ratings and K-Factors to meet various design requirements. They are available in Pendents (SSP), Uprights (SSU), Sidewalls (HSW) and Conventional (C U/P). Incorporated with either 3mm (Quick Response) or 5mm (Standard Response) diameter frangible glass bulb. PD’s UL listed sprinkler heads are designed for use in light, ordinary, and extra hazard, commercial occupancies such as banks, hotels, shopping malls, factories, refineries, chemical plants, etc. If aesthetics is the major consideration, then Concealed Glass Bulb Flush Pendent Sprinkler (ZSTDY) should be your ideal choice.

  • UL Listed glass bulb and seal plate
  • Heat sensing component (glass bulb) and seal gasket from Germany
  • Small frame and narrow profile bulb for enhanced appearance
  • Chrome-plated finish for corrosive resistance
  • Assembled and tested in production line utilizing German equipment and methodology
Type K Factor
Concealed Pendent 1/2″ NPT Thread Sprinklers 3 Positions Adjustable
5.6 (80)
2.8 (37)
4.2 (57)

Specifications are subject to change without prior notice.


    Feel free to ask any questions over the phone, or get in touch via our contact form below. Your message will be dispatched directly to our staff who will answer as soon as they can.

    1 Step 1