Flow Switches

The SF1800 Flow switch detects liquid movement in pipes, when the liquid is static or non-existent, the spring is fully extended, pulling the magnet downward and opening the switch. As…

Piston flow switches with reed switch contact and 1/2″ BSPP male inlet and outlet. Principle Magnetic piston mounted inline with the passage of flow and activating a reed switch through…

Ultra low cost, compact plastic paddle flow switch to fit pipe sizes 25mm to 63mm. Principle Balanced magnetic paddle mounted perpendicular to the flow and activating a reed switch through…

Low cost, compact plastic paddle flow switch with trimmable paddle to fit pipe sizes 25mm to 63mm. Principle Balanced magnetic paddle mounted perpendicular to the flow and activating a reed…

The Model VSR-S is a vane type waterflow switch for use on wet sprinkler systems that use 1″ (25mm), 1¼” (32mm), 1½” (38mm) or 2″ (50mm) pipe size. The unit…

Applications Engineering Ltd innovative, compact and affordable flow switch for use in residential and domestic sprinkler systems according to BS9251:2014. Specifically designed in conjunction with our Applications Engineering Dual port…

Applications Engineering Ltd innovative, compact and affordable flow switch for use in residential and domestic sprinkler systems. Specifically designed in conjunction with our Applications Engineering Dual port fire sprinkler valve…

The SP flow switch range is based on the principle of thermal dispersion. A typical configuration uses two temperature detectors set within the tip of the sensor, One  detector is heated…

For Flow/No-Flow Detection in Large Line Sizes The FS-550(E) paddle flow switch has been engineered for positive liquid flow detection at pressures up to 2000 psig (138 bar). Unique, patented cam design assures…

The FS-500 offers low cost flow monitoring with a variety of switch actuation points and low pressure drop. All wetted parts are polypropylene or stainless steel, making this flow switch…

The FS-480 large-body inline flow switch delivers ample flow rates with minimal pressure drop. 25% larger than its FS-380 sibling, the FS-480 is ideal for processes that push more fluid…

This rugged inline flow switch uses 100 micron filtration and are less susceptible to clogging than other high-pressure inline flow switches. The one-piece magnetic PPS composite piston makes the FS-380 ideal…

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