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Fire sprinkler systems
UL Listed and FM Approved
Lead free bronze
ensuring a reliable and long-lasting seal suitable for various exterior applications
FR-QR Horizontal Sidewall Sprinkler (SS2553), QR, 5.6K, Black - Head Only Flow Switch Fire sprinkler systemsTechnical 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 162F 72C, 205F 96C, 286F 141C 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 Black *Due to FM Approval Standard 3. 2. 13 by Class Number 2000, use in
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