Spence T124 Temperature Piloted Steam Pressure Reducing Valve

The Spence T124 Temperature Piloted Steam Pressure Reducing Valve is a compact, pilot-operated regulator that combines a Type T124 temperature-and-pressure pilot with a Type E main valve to modulate steam pressure in direct response to temperature and load changes. This single-unit regulator is designed for steam service on instantaneous heaters, delivering fast, accurate regulation by linking temperature sensing to pressure reduction. For selectable service pressures, the T124 is used for 20–125 psi (1.38–8.62 bar); for pressures not to exceed 20 psi, the corresponding T134 pilot should be used. Capillary length options exist, with this model listed as having a 20 ft temperature-sensing line; documented variants also appear with shorter capillaries (for example, a 10 ft capillary paired with a 70–170°F temperature range). Notable features include packless construction, a built-in strainer, and straightforward inline maintenance, with the E main valve remaining self-contained. By integrating temperature and pressure control in one regulator, the Spence T124 delivers coordinated adjustment of heat transfer to meet dynamic load demands in steam-using equipment.