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Visible moisture or steam escaping near the bellows base
Standardized Specs: Uses a 48 frame motor footprint for universal compatibility with standard shell-band mounting brackets
covering standard commercial and residential power supplies
Can I use this control with any single-phase motor
Schneider Electric (Barber Colman) PNV-251 Diaphragm 320788-704 Visible moisture or steam escapingThe 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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