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Ships within 48 hours · Estimated delivery Sep 20 - Sep 25
Aerodynamic Precision: The 5
with a maximum rating of 1/2 PSI
covering standard commercial and residential power supplies
reducing the need to carry multiple OEM boards
Standardized Specs: Uses a 48 frame motor footprint for universal compatibility with standard shell-band mounting brackets
Schneider Electric (Barber Colman) PNV-251 Diaphragm 320788-704 Aerodynamic Precision: The 5The Schneider Electric (Barber Colman) PNV 251 is a high performance replacement diaphragm specifically engineered for pneumatic actuator maintenance in high temperature environments. Designed for seamless integration with the MK 46xx series, including MK 4601, MK 4611, and MK 4621 actuators, this component ensures consistent proportional pneumatic control for hot water and chilled water systems. Constructed from beaded molded neoprene, the PNV 251
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