PRODUCTS 
Direct-Operated 
Fisher direct-operated regulators are used in fuel gas applications to maintain a constant set outlet pressure within 10 percent to 20 percent of setpoint.
133 Series Pressure Reducing Regulators
Fisher 133 Series direct-operated regulators are ideal for industrial and commercial applications supplying gas to furnaces, burners, and other appliances.
66 Series Direct-Operated Regulators and Vacuum Service Equipment
Fisher 66 Series direct-operated pressure-reducing regulators are used in burner control, tank blanketing systems, and other applications where precise control of low-pressure industrial gases is needed.
912N Series Pressure Regulators
Fisher 912N Series direct-operated, spring-loaded regulators are used in a variety of service and industrial applications. These regulators have limited-capacity internal relief across the diaphragm to help minimize overpressure.
CS200 Series Pressure Reducing Regulators
Fisher CS200 Series direct-operated, spring-loaded regulators have been engineered to fit a multitude of pressure-reducing applications including commercial and light industrial installations.
CS400 Series Pressure Reducing Regulators
Fisher CS400 Series direct-operated, spring-loaded regulators have been engineered to fit a multitude of pressure-reducing applications including commercial and industrial installations.
CS800 Series Pressure Reducing Regulators
Fisher CS800 Series direct-operated, spring-loaded regulators have been engineered to fit a multitude of commercial and industrial pressure-reducing applications.
CSB400 Series Pressure Reducing Regulators
Fisher CSB400 Series direct-operated, spring-loaded regulators have been engineered to fit a multitude of pressure-reducing applications including commercial and industrial installations.
S200 Series Pressure Reducing Regulators
Fisher S200 Series quick-reacting pressure reducing service regulators are used in industrial or commercial installations to minimize the shock effect of sudden downstream load changes that might otherwise activate safety shutoff equipment.
Y600A Series Pressure Reducing Regulators
Fisher Y600A Series direct-operated, spring loaded regulators provide economical pressure reducing control in a variety of commercial and industrial applications.
Y690A Series Pressure Reducing Regulator
Fisher Y690 Series pressure reducing regulator is ideally suited to control gas supply to in-plant processing equipment.
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