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providing a normally closed fail-safe position through its robust spring return mechanism
The "L48" designation indicates the inclusion of the OPD 48 over-pressure device
providing clean circuit interruptions and consistent electrical performance for professional mechanical contractors
and FAN00614
Armstrong International B1669-4 Pressure Change Assembly Els PW 17895 providing a normally closed fail-safeThe 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.
US$ 67.95
US$ 64.95
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US$ 64.95
