(In Stock)
VALVE ACTUATOR: INVENSYS MK-6821 PROPORTIONAL VALVE ACTUATOR, 50 SQ. IN., 8-13 SPRING, VB-9000 (1-1/2 - 4")
VALVE ACTUATOR: INVENSYS MK-6821 PROPORTIONAL VALVE ACTUATOR, 50 SQ. IN., 8-13 SPRING, VB-9000 (1-1/2 - 4")