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Technical Data ApprovalsUL, FMK-Factor 5.6 (80.6) Thread Size1/2” NPT Maximum Working Pressure 175psi (12.1 bar) Response Quick Coverage StandardTemperature Rating162°F/72°C, 205°F/96°C, 286°F/141°COverall Length2-13/64" (56mm)Vertical Adjustment1/2 inch (12.7mm) with D1 Recessed Escutcheon*, or 3/4 inch (19.1mm) wi
Senju Fire Sprinklers
FR-QR Pendent Sprinkler (SS2551), QR, 5.6K, Brass - Head Only - Senju Sprinkler
Technical Data ApprovalsUL, FMK-Factor 5.6 (80.6) Thread Size1/2” NPT Maximum Working Pressure 175psi (12.1 bar) Response Quick Coverage
FR-QR Pendent Sprinkler (SS2551), QR, 5.6K, Black - Head Only
Technical Data ApprovalsUL, FMK-Factor 5.6 (80.6)Thread Size1/2” NPT Maximum Working Pressure175psi (12.1 bar) ResponseQuick CoverageStandard
FR-QR Horizontal Sidewall Sprinkler (SS2553), QR, 5.6K, Chrome - Head - Senju Sprinkler
FR-QR Upright Sprinkler (SS2552), QR, 5.6K, Black - Head Only - Senju Sprinkler
Senju Sprinkler - - Plumbing, Electric & Lighting Wholesale
Pendent Sprinkler Head, SS2551 Senju, 5.6K, Brass
Fire Sprinkler Heads Replacement
Technical Data ApprovalsUL, FMK-Factor 5.6 (80.6)Thread Size1/2” NPT Maximum Working Pressure175psi (12.1 bar) ResponseQuick CoverageStandard
FR-QR Horizontal Sidewall Sprinkler (SS2553), QR, 5.6K, Brass - Head Only
Senju FR-QR (SS2551) Quick Response Pendent Sprinkler This Senju Model FR-QR Quick Response Brass Pendent Fire Sprinkler features a fusible link
Senju® SS2551 Pendent Sprinkler | QR | 5.6K | Brass | 162F | 002-5071
globe sprinkler - fire sprinkler head - fire sprinkler heads
Senju Sprinkler - - Plumbing, Electric & Lighting Wholesale