The Leyon FM UL Series TY FRB 2.8 4.2 5.6 8.0 K Factor Upright Pendent and Recessed Sprinklers Quick Response Standard Coverage 3 mm glass bulb sprinklers, available in Upright, Pendent, and Recessed Pendent types. Suitable for light and ordinary hazard commercial areas such as banks, hotels, and shopping malls, the Recessed Pendent model is designed for use with finished ceilings.
| Model | TY FRB 2.8, 4.2, 5.6,8.0 K factor |
| Material | Bronze |
| Type | Upright, Pendent,and Recessed Pendent |
| K-factor, gpm/psi% (Lpm/bar%) | 2.8 (40,3)-8.0(115,2) |
| Temperature Rating °F (°C)1 | 155°F (68°C)-286°F (141°C) |
| Thread Coefficient | 1/2 in. NPT
3/4 in. NPT |
| Maximum Working Pressure, psi (bar) | 175 psi (12,1 bar) |
Over the past 27 years, Leyon Piping System (abbreviation: LPS) has been committed to the piping system industry…
