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Approvals
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Description
The Model DH56 are quick response extended coverage sidewall dry sprinklers for use in light hazard applications. The Model DH56 dry sprinkler with SWC cover plate is a concealed sprinkler that uses Reliable’s push on/thread off sidewall cover. This sprinkler has the cup factory mounted and is shipped with a bulb protector that protects the 3mm frangible glass bulb during shipping and post installation finishing operations. The DH56 can be combined in the field with the FP Escutcheon to make a recessed dry sprinkler. Concealed model sprinklers use SWC protective cover.
DH56-nozzles is intended for use in dry and pre-trigger installations, as well as freezing temperatures in areas at risk. View the data sheet on the operation 1 dry nozzles sprinkler wet installations.
Dry nozzles sprinkler installation environments can be corrosive. As a result, DH56 Dry sprinklers in a glass capsule between the cup and the narrow body wax ring, which prevents contaminants from entering the sprinkler pipe. The wax does not interfere with the operation of the sprinkler and should not be removed.
Features
1. Horizontal Sidewall, HSW
2. Lengths available to accommodate installation dimensions from: 2″(51mm)-48″(1219mm) (6 mm) increments.
3. Sensitivity Class: fast (Quick Response)
4. Cover the space up to 8,5m x 3m
5. Nominal K-value= 80
6. Sprinkler’s distance from the roof 102-305mm
7. Min.gap 4,9m
8. Thread size 1”
9. Max.working pressure 17,2 bar
Listings and Approvals
1. Listed by Underwriters Laboratories Inc. and UL certified for Canada (cULus)
2. NYC MEA 258-93-E
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| Sprinkler Temp.Ratings | SWC-cover Temp. Ratings | Max.Ambient Temp. | Bulb color |
| 68ºC | 57ºC | 38ºC | Red |
| 79ºC | 74ºC | 66ºC | Yellow |
| 93ºC | 74ºC | 66ºC | Green |