The trap contains a float valve mechanism which modulates to discharge condensate continuously at steam temperature, while non-condensable gases are released by a separate internal balanced pressure thermostatic air vent.
Spirax Sarco Float and Thermostatic Steam Trap, 1-1/2 in Nominal, FNPT, 4-1/4 in Length, 15 psi, Cast Iron, 450 deg F, 8.5 in W
| End Style | : | FNPT |
| Item Type | : | Float and Thermostatic Steam Trap |
| Length | : | 4-1/4 in |
| Material | : | Cast Iron |
| Nominal/Diameter Size | : | 1-1/2 in |
| Pressure Rating | : | 15 |
| Series | : | FT15 |
| Temperature Rating | : | 450 deg F |
450 deg F Maximum operating temperature