TY3155 is typically used where: + Sprinklers and/or a portion of the connecting piping may be exposed to freezing temperatures (e.g., sprinkler drops from wet systems into freezers, sprinkler sprigs from wet systems into unheated attics, or horizontal piping extensions through a building such as loading docks, over- hangs, and building exteriors) + Sprinklers are used on systems that are seasonably drained to avoid freezing (e.g., vacation resort areas) - Approvals: UL, C-UL, FM, VdS, LPCB & CE - Maximum Working Pressure: 175 psi (12.1 bar) - Discharge Coefficient: K = 5.6 GPM/psi½ (80,6 LPM/bar½ - Inlet Thread Connections: 1 inch NPT (ISO 7-R1). - Temperature Ratings + 135°F (57°C) bulb liquid color orange + 155°F (68°C) bulb liquid color red + 175°F (79°C) bulb liquid color yellow + 200°F (93°C bulb liquid color green + 286°F (141°C) bulb liquid color blue + 360°F (182°C) bulb liquid color mauve - Finishes: natural brass, signal white (RAL9003) polyester, Chrome plated