Manual for C437D,E

Operation Summary

The C437D,E Gas Pressure Switches are designed for safety shutoff, pressure control, and differential-pressure control in industrial gas systems. These switches feature direct and reverse-acting SPST switching, with various pressure ranges available. Models with manual reset include a trip-free mechanism to prevent defeating the limit function. The switches utilize Buna-N fiber-reinforced diaphragms for strength and reliability. They can be mounted on pipes or vertical surfaces, with specific connection types for different applications. Wiring diagrams and setting/checkout procedures are provided for installation.