FR-QR Horizontal Sidewall Sprinkler (SS2553), QR, 5.6K, Brass - Head Only

Technical Data

Approvals
UL, FM
K-Factor 
5.6 (80.6)
Thread Size
1/2” NPT 
Maximum Working Pressure
175psi (12.1 bar) 
Response
Quick 
Coverage
Standard 
Temperature Rating 
162°F/72°C, 205°F/96°C, 286°F/141°C 
Overall Length 
2-37/64" (65.4mm) 
Vertical Adjustment 
1/2 inch (12.7mm) with D1 Recessed Escutcheon*, or 
3/4 inch (19.1mm) with D2 Recessed Escutcheon (approved by UL only). 
Color 
Brass

*Due to FM Approval Standard 3.2.13 by Class Number 2000, use in combination with a sprinkler head rated higher than 255°F is not approved by FM.

• Designed for use in light and ordinary hazard commercial occupancy
• Laser etched lot on frame
• Solder link type makes it more durable than glass bulb sprinklers

Download Datasheet

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