ideal for leakage-rated dampers in life-safety smoke control
Does this top panel include the fan motor mounting hardware
extending the service life of tools
Automatic Reset Logic: Eliminates the need for manual intervention by resetting once the internal temperature drops back to 125°F
Under load (connected to the valve)
Armstrong International B1669-1 Pressure Change Assembly Els PW 17895 ideal for leakage-rated dampers inThe Armstrong International B1669 1 Pressure Change Assembly (PCA) is a critical steam trap repair kit engineered specifically for inverted bucket traps. This assembly includes a matched 1 4" orifice, valve seat, and lever mechanism, providing a direct drop in solution for maintaining trap efficiency. Designed for Armstrong 811, 211, 310, TVS 811, 881, 981, and EM series traps, this PCA is calibrated for a 15 PSI maximum operating pressure. Utilizing