Reliable DH56 Dry EC - Page 2

Model DH56 EC HSW Coverage Area
Figure 1
Model DH56 EC Horizontal Sidewall Sprinkler SIN RA1664
Technical Specications
Style:
Extended Coverage
Horizontal Sidewall
Threads: 1” NPT or ISO7-1R1
Nominal K-Factor: 5.6 (80)
Max. Working Pressure: 250 psi (17.2 bar)
Max. Spacing: 28 ft (8.5m)
Min. Spacing: 16 ft (4.9m)
Material Specications
Inlet Fitting: Brass Alloy
Flip Disk: Brass Alloy
Seal: PTFE Coated Belleville Spring
Outer Tube: Galvanized Steel Pipe
Sprinkler Frame: Brass Alloy
Bulb Insert: Copper Alloy
Thermal Element: Glass Bulb
Deflector: Bronze Alloy
Load Screw: Brass Alloy
Sprinkler Finishes
See nish combination tables on
following pages
Sensitivity
Quick Response
Temperature Ratings
155°F (68°C)
175°F (79°C)
200°F (93°C)
Recessed Escutcheons/Cover Plates
Standard Escutcheon
HB Escutcheon
FP Escutcheon
SWC Cover Plate
Listings and Approvals
cULus Listed for Light Hazard
28' [8.5m] Maximum Spacing
16' [4.9m] Minimum Spacing
MODEL DH56
DRY SPRINKLER
4" [100mm] Min. from Ceiling
12" [300mm] Max. from Ceiling
Wall
Floor
Coverage
Area
DH56DRYCOVAREA
28' [8.5m]
8' [2.4m] or 10' [3m]
Based on Selected
Discharge Flow and
Pressure
Shown here with standard escutcheon.
See pages 3-6 for additional trim styles
Bulletin 016
January 2022
Page 2 of 10
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