Maxitrol R400Z-1/2-CSA Valve 318973-401 this spring is the standard

this spring is the standard for Johnson Controls positioner assemblies

ensuring reliable gradual or two-position control in professional air terminal units and ductwork installations

To utilize a 4-20mA input signal

ensuring stable flame establishment under various field conditions

Maxitrol R400Z-1/2-CSA Valve 318973-401 this spring is the standardThe Maxitrol R400Z 1 2 CSA is a specialized zero governor gas regulator engineered for high precision control in proportional air gas mixing systems. This balanced valve regulator is a critical component for industrial burner applications, nozzle mixers, and pre mixers where maintaining a constant atmospheric or sub atmospheric pressure is essential. Designed with a 1 2" NPT connection, the R400Z serves as an adaptable gas pressure regulator capable