Model DH56 EC HSW Coverage Area
Figure 1
Model DH56 EC Horizontal Sidewall Sprinkler SIN RA1664
Technical Specifications
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 Specifications
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 finish 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
March 2022
Page 2 of 10
www.reliablesprinkler.com
