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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
Available
The Series V6 Flotect® Flow Switch is surprisingly compact, and specifically engineered to monitor liquid, gas, or air flows. Time tested in thousands of pipeline installations and processing plants around the world, this Series is Weatherproof, designed to meet NEMA 4 and Explosion-proof (listing included in specifications). Tees are available for installation in pipelines from 1/2″ to 2″ (12.70 to 50.80 mm). With bushings added the unit is easily adapted to 1/4″ and 3/8″ (6.35 and 9.53 mm) piping.
Retail price from $284
Available
The FSW800B-Series air-flow monitor provides a simple but reliable alternative to indicate positive or negative air flow of fans.
- Reliable Mechanical Switch Contact
- Small Size
- Economical
- Easily Installs Via Clip or Clamp
Retail price from $72
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 $89
Available
GE-341 flow switch use new structure, could monitor the flow by Two-way. It is operate by micro magnetic reed switch, it is normal Open, when flowing water push the paddle, the transfer structure change the switch condition, it close. It could be Anti Explosion-proof, ExdbIICT6 or ExdIIBT4. ATEX SIL2 SIL3 certificate for the flow switch, UL certificate for micro switch.
Retail price from $1 343
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
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
Available
Flow switch for gas and liquid flow measurement and control, available in ExdIIBT4 or ExdIICT6 explosion-proof housing. This reliable and sensitive device is widely used in the petrochemical industry.
Retail price from $1 455
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 $129
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 $71
Available
Paddle Flow Switch is a very low cost Ex-proof flow switch, specially designed for the Flow Monitoring of Water Source, Water-Loop Heat Pump Air Conditioning Systems and Heat Pump Water Heater
Retail price from $349
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 $371
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
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
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 $124
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
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 $247
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
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
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 $310
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 $498
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 $634
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
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
Available