The Armstrong 2011 series utilizes a free-floating guided lever mechanism to ensure tight shut-off

Direct OEM Compatibility: Engineered to replace 89F3801 models seamlessly

Performance is secured by high-grade EPDM glass seals and a Teflon stem packing assembly

While the stock LF clamp typically handles shafts from 3/8-inch up to 1/2-inch

reducing unplanned downtime and maintaining system pressure benchmarks

Spirax-Sarco 58135 Mechanism Els PW 29614 The Armstrong 2011 series utilizesUpgrade or restore your steam system with the Spirax Sarco 58135 Mechanism, a precision engineered replacement valve mechanism assembly specifically built for the FT 15 2 inch Float and Thermostatic steam trap. Designed for heavy duty industrial and commercial condensate management, this assembly utilizes a robust stainless steel lever and seat operation to ensure continuous, modulating discharge. By reacting instantly to condensate levels, it