The 121-12-3F Sensus Rockwell regulators have been designed for greater capacity, more accurate performance, a higher inlet pressure and a faster response in a higher volume gas regulator. The Model 121 gives greater control in a smaller regulator saving overall costs, and making it easier to install and maintain. Perfect for use on burners, boilers, gas engines, warmers, and air radiators, or any commercial or industrial applications where precision control is essential. Manufactured with cast iron bodies, die-cast diaphragm, and machined orifice for tight shutoff. The 121 is an entirely new style of controller that can be used in a variety of functions such as standard controller, zero governor, air controller, differential controller, back weight controller, easing valve, or vacuum controller and vacuum breaker. Compatible with oil gas, propane, LPG, air nitrogen, etc.
Features:
Allows above-ground or vault installation
Provides for pilot-operated, pressure-loaded and V-port options
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