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> 341ASR humphrey tac air pilot actuator or operator
341ASR humphrey tac air pilot actuator or operator
BRAND NEW. These air pilot operators are for use with TAC push-button valves and the Model ESB Electric Switch Bracket to convert them to air pilot operation. The operators feature snap action for time-delay circuits, automatic one-shot reset, or a combination of snap action and automatic reset.
Model 341ASR air pilot operators provide both snap action and reset features in a single unit and thread directly onto the collars of push button valves and the Model ESB Electric Switch Bracket. The actuation of the operator is delayed until the pilot pressure reaches 35 psig +/-5psig. At this pressure, the operator piston snaps forward to actuate a push button valve or electric switch. At that point the piston becomes pressure balanced and resets, even in the presence of a pilot signal. This reset occurs within 0.3 seconds at 40psi, within 0.5 at 100psi, and within 0.7 seconds when used with 4PP, 41PP or 42PP valves. The recommended maximum pilot pressure is 60psi. If this pressure is exceeded, the operator will recycle - snapping and resetting a second time.
