FR-QR Pendent Sprinkler (SS2551), 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
2-13/64" (56mm)
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 occupancies
• Laser etched lot on frame
• Solder link type makes it more durable than glass bulb sprinklers

Download Datasheet

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