The Model A PS007、PS008 ½” orifice, standard horizontal sidewall sprinkler is designed for standard or recessed installation.The design provides a crescent-shaped water discharge pattern for installation along a wall or under a beam or ceiling. The design incorporates state-of-the-art, heat responsive,frangible glass bulb design (standard or quick response) for prompt, precise operation. 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 ¾” of adjustments.
Standard spray coverage is up to:Light Hazard = 196 square feet(18,2 sq.m); Ordinary Hazard = 100 square feet(9,3 sq.m)per NFPA 13. see page 4 for distribution patterns.
SIN：Standard PS007(bulb 5mm),Quick Response PS008(bulb 3mm)
Response Time Index(RTI)：Standard 50，Quick Response 30
Norminal Thread Size：1/2”NPT(15mm)
Max. Working Pressure：175PSI(1200kPa)
Factory Hydrostatic Test：100%@500PSI(3450 kPa)
Min. Operation Pressure：7 PSI(48 kPa)
Sprinkler Temperature Classification
Nominal Sprinkler Temperature Rating
N.F.P.A Maximum ambient (ceiling) temp.(allowed)
Glass Bulb color