Mcdonnell & Miller Series FS7-4E Industrial Liquid Flow Switches
McDonnell & Miller Flow Switches.
SKU 3G-OTH-02758
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Product Description
McDonnell & Miller Flow Switches.
Frequently Asked Questions
What is the McDonnell & Miller FS7-4E flow switch used for?
The McDonnell & Miller FS7-4E is a magnetic flow switch used in industrial piping systems to detect liquid flow or no-flow conditions. It is commonly applied in HVAC, boiler, and process control systems to activate alarms, pumps, or burners when flow starts or stops.
What are the specifications of the McDonnell & Miller FS7-4E?
The FS7-4E features a 1 1/4 inch NPT brass body with sealed tube construction. It uses a single pole, double throw snap switch and a magnetic switching mechanism with a sensitivity adjusting screw. The switch is rated for general-purpose flow detection in liquid lines.
Where to buy the McDonnell & Miller FS7-4E in Singapore?
You can source the McDonnell & Miller FS7-4E flow switch through 3G Electric in Singapore. We handle logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this McDonnell & Miller model.
How to install the McDonnell & Miller FS7-4E flow switch?
Install the FS7-4E in a horizontal pipe section with the switch housing upright. Ensure flow direction matches the arrow on the body. Adjust the sensitivity screw to set the flow-actuation point. Follow standard piping practices and consult the manufacturer's manual for wiring the SPDT switch.
Used in
Common applications for Mcdonnell & MillerMcdonnell & Miller Products
3G Electric supplies Mcdonnell & Miller flow switches. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
