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This characterized control valve delivers an equal percentage flow characteristic with a 19 Cv
allowing for a drop-in replacement during system upgrades
Broad System Compatibility: Controls 2H/2C conventional and 2H/1C heat pump equipment
the 1 1/4" orifice for 243 provides the necessary port size to maintain setpoint accuracy and minimize droop
Armstrong International B1669-4 Pressure Change Assembly Els PW 17895 This characterized control valve deliversThe Armstrong International B1669 4 Pressure Change Assembly is a precision engineered internal component designed to restore the peak performance of your steam system. Featuring a 1 8" orifice, this assembly is vital for maintaining the mechanical integrity and discharge capacity of inverted bucket steam traps. It is fully compatible with a wide range of Armstrong models, including the 211, 310, 800, 811, TVS 811, 880, 881, 981, and EM Series.
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