Standard Response Upright and Conventional Sprinkler

Minimum Operating Pressure: 7 psi (0.5 bar)*

K Factor: 2.8, 4.2, 5.6 & 8.0

Maximum Working Pressure: from the minimum 7 psi (0.5 bar) up to 250 psi (17 bar) for high-pressure systems. Factory tested hydrostatically to 500 psi (34.5 bar)

Glass-bulb fluid temperature rated to -65 °F (-55 °C)

*cULus Listing, FM Approval, and NFPA 13 installs require a minimum of 7 psi (0.5 bar). The minimum operating pressure for LPCB and CE inimum operating pressure for LPCB and CE

Approvals ONLY is 5 psi (0.35 bar).