McDonnell & Miller Series FS1 High Sensitivity Liquid Flow Switches, 1/2" NPT

Universal design serves the widest variety of applications for starting or stopping electrically operated equipment such as signal lights, alarms, motors, automatic burners, metering devices and others. Sensitivity adjustment screw for easy flow adjustment. Single pole, double throw snap switch. Includes 4 stainless steel Paddles: 1", 2", 3", 6". Maximum Pressure 160 PSI. NEMA 4 Case.

The Johnson Controls F261 Series Flow Switches respond to fluid flow in lines carrying water, ethylene glycol, or other nonhazardous fluids. These models also work in applications with swimming pool water and lubricating oils. F261 Series Standard Flow Switches use a variety of paddle sizes to respond to fluid flow rates in applications with pipe sizes greater than 1 inch trade size..

McDonnell & Miller Series 51-2 Mechanical Water Feeder/Low Water Cut-off 51-2, #2 Switch For low pressure steam and hot water boilers larger than 5,000 sq. ft. (465m2) capacity with cold water feed. Quick-change replaceable cartridge valve and strainer. Optional features - No. 2 switch - Manual reset - Float block. Proportional feed action. Model 51 can be field upgraded with a No. 2 switch to add low water cut-off function. Maximum water supply pressure 150 psi (10. 5 kg/cm2). Maximum inlet water temperature 120°F (49°C). Maximum vessel pressure 35 psi (2. 5 kg/cm2). Made in ...

The V46 is a pressure actuated modulating valve that is suitable for use either on closed or open systems. Direct acting valves open on pressure increase. This type of valve is primarily used to regulate the flow of water or glycol to a water cooled condenser on a refrigeration system. Features: no close fitting or sliding parts in water passages minimizes chatter or water hammer free movement of all parts provides smooth pressure modulation refrigerant adjustment is not affected by water pressure withstands high hydraulic shock without damage range spring does not come in contact with ...

The flow of liquids in pipelines plays an important role in industry and commerce. Under most circumstances it is essential to know whether or not there is a flow in a pipeline, and to act upon that knowledge. That is the reason for, and the function of, McDonnell & Miller Flow Switches. Includes 4 stainless steel Paddles: 1", 2", 3", 6". NEMA Enclosure Type 4X. Watertight, dust tight and corrosion resistant.