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The Series P1 Brass Flow Switches utilizes a piston-type design for accurate detection of excessive or insufficient flow rates. The switches have preset actuation points from 0.10 to 1.5 GPM for liquid flow.
Retail price from $333,35
Available
The Series V10 Flotect® Mini-Size Flow Switches is designed to provide inexpensive, reliable monitoring of the presence or absence of flow in a system. This series is available for field installation in pipelines from 1/2 to 2″ diameter and available in brass or 303 SS body.
Retail price from $88,75
Available
The Series FS-2 Vane Flow Switches offers an economical flow proving solution. The FS-2 paddles are adjustable to fit 1 to 8″ size pipe.
Retail price from $75,35
Available
The FSW-30A flow switches are supplied with six orifices to provide 6 overlapping flow ranges from 0.12 to 8.0 GPM for water. Wetted Parts: brass, 316 SS, phosphor bronze.
- Rugged Industrial Design
- Switch Point Adjustable Without Removing Unit from Line
- 15 A SPDT Switch Directly Controls Pump
- Easy Screw Terminal Wiring–No Soldering
Retail price from $491.34
Available
The Series V7 Flotect® Flow Switch is an inexpensive range switch for use with compatible liquids to start or stop electronic operated equipment when flow or no-flow conditions occur. Design is standard weatherproof, meeting NEMA 4X.
Retail price from $128,95
Available
The FST-320-Series thermal dispersion flow switches, especially designed for use with gases, sense changes in the heat transfer characteristics of the gases.
- Measure Mass Flow of Gases
- High Reliability, No Moving Parts
- Effectively Monitor Critical Gas Flows
- May Be Used in Small Piping or Large Ducts
Retail price from $70.73
Available
The FSW-25 flow switch utilizes the force of liquid flow to propel its paddle and to detect the incoming flow or movement of the existing liquid in the pipe.
- Aluminum Alloy IP65 Head
- Easy to Install
- Less than 3 psig Pressure Drop
- 1″ PT Connection
Retail price from $370.81
Available
The compact Series P2 Flow Switch utilizes a piston-type design for both air and pure water applications. The switches have preset actuation points from 0.05 to 1.0 GPM for water and 25 CFH to 5 CFM for air. The piston design incorporates a hermetically sealed SPST magnetic reed switch. The P2 is comprised of PPE & PS (polyphenylene ether and polystyrene) housing and piston and 316 Stainless Steel spring and stop pin. All wetted parts are FDA compliant. Economical and superior design make this an excellent switch for pure water equipment, filter life monitoring, heat exchangers, and cooling applications.
Retail price from $152,15
Available
The FSW-160 is the newest heavy-duty line of flow switches.The switch is used to signal,start,or stop electronically operated equipment when flow or no-flow conditions occur.
- Multiple Quick-Change Paddles
- EPDM Seal
- Field Adjustable Set Points
- Direct Replacement for Most Paddle-Type Flow Switches
Retail price from $210.13
Available
The Series P3 Polypropylene Flow Switches fit almost any piping requirements with compatible liquids. Choose the inlet and outlet port to be 3/8″ male NPT or 1/4″ male “Quick Disconnect° then select a quick disconnect acetal adapter for straight through flow or with a shut off valve.
Retail price from $123,85
Available
The FS-100-Series offers low cost flow monitoring with a variety of switch actuation points and low pressure drop. All wetted parts are polypropylene.
Retail price from $89.43
Available
The Series P8 High Pressure Brass Flow Switches are ideal for high in-line pressures. Set points range from 0.25 to 2.0 GPM for liquid flow.
Retail price from $246,65
Available
The FST-200 flow switches use thermal dispersion technology to create a very accurate and economical method of sensing flow. Monitor fluids from 0.4 to 1.2 specific gravity.
- High Reliability — No Moving Parts
- Very Low Flow Detection–Down to 0.04 FPS Liquids
- Use in 1/8 through 12′ Pipe or Tubing
- SPST Relay Standard
Retail price from $268.00
Available
The Series G9 Globe Flow Switch provides accurate flow detection in water and oil with ±1% repeatability. A shuttle bypass vane inside the housing is controlled externally using an ordinary flat blade screwdriver, allowing flow settings to be changed without disassembly. Each switch is constructed of noncorrosive materials and resists shock and vibration. The Series G9 is suitable for triggering alarms on interlocking shutdown circuitry when flow rate is incorrect and for protecting bearings, gears, and cooling systems.
Retail price from $772,1
Available
The FSW-40A and FSW-50-Series flow switches feature 15 A SPDT switches. Their non-magnetic design makes these switches ideal for applications in which rust is a problem.
- Rugged Industrial Design
- Switch Point Adjustable While Unit Is Operating
- 15 A SPDT Switch Directly Controls Pump
- Mounts in Any Position
Retail price from $308.20
Available
The Series GVS Globe Valve Switches offer accurate flow detection with 1% repeatability and external adjustability over a broad range of flow settings for compatible liquids.
Retail price from $497,85
Available
The FSW301 flow switch comprises a paddle system with a permanent magnet attached. This construction allows a useful life of up to 100,000,000 switching cycles.
- Adjustable Switch Point
- Low Pressure Drop
- Economical
- Field Installation for ½ to 8′ Pipes
Retail price from $633.75
Available
The Series AFS Adjustable Flow Switches are externally adjustable piston-type flow switches for oils, liquids and gases. This Series offers an infinite number of flow settings from 0.5 to 20 GPM.
Retail price from $812,45
Available
The FST1000-Series measures air velocity and provides two SPST contact closures corresponding to high and low alarm set points. The alarm set points adjust from 0 to 100%
- Air Velocity Range up to 10,000 FPM (50.8 m/sec)
- 2% Full Scale Accuracy
- Two Sensor Probe Configurations (Fixed and Remote)
- Hot Wire Air Velocity Sensor Design
Retail price from $446.38
Available
The Model DAFA Air Flow Indicator and Alarm alerts users of low or no air flow conditions in pipes utilizing a thin, field trimmable vane to sense the air flow rate. An 85 dB audible buzzer alternates with a bright red LED to alert users when the air flow rate drops, indicating low or no flow in the pipe. The DAFA is battery powered to provide versatility for where it can be installed, and offers a yellow LED to indicate a low battery. This device is ideal for monitoring radon mitigation systems by detecting a loss of air flow in the pipe and providing a signal to homeowners if the fan has stopped operating.
Retail price from $58,3
Available
The Series TDS Thermal Dispersion Flow Switch offers solid state flow detection of non-coating liquids for pump and process protection. SPDT output allows for interfacing with remote PLC or relay control device. The adjustable switch point is factory calibrated at 0.2 fps with LED indication of flow and calibration status. Units feature selectable NO or NC operation and are not damaged by over-ranging flow velocities.
Retail price from $442,7
Available
This switch package offers a complete solution for flow or no-flow switching in pipes or ducting up to 12′. The compact relay controller actuates valves, pumps, or blowers.
- Offered in Liquid and Gas Configurations
- All-Plastic Construction with PP or PVDF Materials for Corrosive Environments
- Invert Switch Provides Simple NO or NC Relay Operation
- LED Indicators for Fluid, Relay and Power Status
Retail price from $749.30
Available
The Model 530 Air Flow Switch provides excellent sensitivity and reliability at a very reasonable price. Quality features include a rugged die cast body, stainless steel vane and SPDT snap switch. Unit is field adjustable from 400-1600 FPM. Mounting is fast and simple, with only two screws needed. Vane fits 6″ or larger ducts.
Retail price from $126,95
Available
The Series TDFS2 Thermal Dispersion Flow Switch is a thermal flow switch that indicates whether the flow rate is above or below a user set flow rate. The unit incorporates two LED status indicators providing visual switch indication. The set flow rate (setpoint) is easily field adjustable with included magnet and the unit has both NO and NC NPN outputs.
Retail price from $325,95
Available