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Description:
Sentry Sprinklers Model SY8052 is an Automatic Quick
Response Concealed Pendent Sprinkler head that utilizes
a frangible thermo-sensitive glass bulb to operate the
sprinkler.
The sprinkler is available in various finishes
and temperatures. Sprinkler Model SY8052 is listed and
approved for standard coverage for Light and Ordinary
hazards.
Model SY8052 is a 5.6 K-Factor (80 metric)
intended for use in fire sprinkler systems designed in
accordance with the standard installation rules recognized by
the applicable listings or approved agency. The Concealed
Sprinkler Assembly includes a Cover Plate Assembly that
covers the operating components above the ceiling. The
Cover Plate Assembly is mounted to the Sprinkler Cup
Assembly. Upon the release of the Cover Plate Assembly,
the Concealed Pendent Sprinkler produces a hemispherical
water distribution pattern below the deflector.
Technical Data:
Minimum Operating Pressure:
Maximum working Pressure:
Factory Test:
Nominal K-Factor:
Thread Size:
Bulb size:
Operation:
Upon fire initiation within a protected hazard, the temperature inside the hazard rises fusing the solder
between the cover plate and its assembly. A spring on the Sprinkler Cover plate Assembly ensures
the ejection of the cover plate from its assembly. The rising heat causes the liquid inside the Thermo-
Sensitive bulb to expand. The liquid expansion causes the glass bulb to break, releasing the bulb seat
assembly. The water discharges through the sprinkler orifice striking the deflector producing a uniform
distribution pattern within the hazard area.
10967 Lake Underhill Rd, Unit 103 Orlando, Florida 32825 Tel:+1-407-482-9282 Fax:+1-407-482-9476
Standard Coverage, Quick Response Concealed Pendent
Sprinkler, K-factor 5.6 (80 metric)
7 psi (0.5 bar)
175 PSI (12 bar)
100% @ 500 psi (34.5 bar) Hydrostatically
5.6 (80 metric)
1/2" NPT
3mm
www.SentrySprinklers.com
Model SY8052
Model SY8052
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Summary of Contents for Sentry SY8052
- Page 1 Model SY8052 Standard Coverage, Quick Response Concealed Pendent Sprinkler, K-factor 5.6 (80 metric) Description: Sentry Sprinklers Model SY8052 is an Automatic Quick Response Concealed Pendent Sprinkler head that utilizes a frangible thermo-sensitive glass bulb to operate the sprinkler. The sprinkler is available in various finishes and temperatures.
- Page 2 All sprinkler heads must be inspected prior to installation. If a sprinkler is damaged, the bulb is cracked, the bulb has loss of liquid and or lost its protective cap, do not install the sprinkler and contact Sentry Sprinklers for replacement. With the sprinkler held in the horizontal orientation, a small air bubble should be present inside the glass bulb.
- Page 3 Standard Coverage, Quick Response Concealed Pendent Sprinkler, K-factor 5.6 (80 metric) Use Sentry Sprinklers recommended wrench to install the sprinkler. Slide the sprinkler wrench around the sprinkler frame arms and press the wrench down to engage sprinkler wrench flats. Rotate the wrench clockwise to tighten the sprinkler head.
- Page 4 Model SY8052 Standard Coverage, Quick Response Concealed Pendent Sprinkler, K-factor 5.6 (80 metric) If a sprinkler must be removed for any reason, do not reinstall it or a replacement without reinstalling the Cover Plate Assembly. If a Cover Plate Assembly becomes dislodged during service, replace it immediately.