CalFlo™ CFSG Flow and Temperature Thermal Mass, Flocorp-Flow Switch

CalFlo™ CFSG Flow and Temperature Thermal Mass, Flocorp-Flow Switch

Featuring single and dual alarm applications, adjustable flow, temperature and flow, airflow, and inline flow, FLO-CORP can provide the appropriate switch for your application. Our switches do not interfere with flow meter accuracy and many can be field adjusted. Plus, when electronics isolation and fail-safe compact relay control are a must-have, we can supply that as well.

The CalFlo series of calorimetric flow switches offer units with several features including temperature & flow, compact relay control, strobe alert, adjustable flow, compact airflow, inline airflow, and more. The wide variety of options available enable us to provide the right unit for your specific application. If you need help selecting the correct flow switch, our team is happy to assist in the selection process.

Offered in general purpose and hazardous proof configurations, this compact flow switch is a great choice for monitoring a diverse range of liquid applications. The CalFlo™ CFSG will monitor flow and temperature to protect equipment and process from high temperatures and no-flow conditions. The CFSG has NO moving parts and is a reliable alternative to failure-prone mechanical flow switches. The short sensor is intended for use in pipe sizes ½" to 1 ½" in diameter and the long sensor is recommended for pipe sizes 2" and up.

Features and Benefits

• Compact electronic unit with NO moving parts
• Offered in general purpose and hazardous proof configurations
• No adjustment or calibration needed
• Maintenance-free
• Fail-safe normally open switch
• Easy to install
• Broadly selected for low or no-flow applications

Pros and Cons

Advantages	Limitations
No moving parts for increased reliability Dual functionality (flow + temperature monitoring) Maintenance-free operation Quick response time (<30 seconds) Available in hazardous area configurations	Limited to medium temperatures up to 80°C Maximum pressure rating of 150 psi (10 bar) Fixed cable length (6.5') on CFSG-1 model Requires 15-second initialization period Specific pipe size requirements

Technical Specifications

Category	Specification
General Parameters	Service: Compatible Liquids Flow SetPoint: 1.2 fps (0.4 mps) water-related Temp SetPoint: 122°F (55°C) or 158°F (70°C)
Operating Range	Medium Temperature: -4°F to 176°F (-20°C to 80°C) Pressure Rating: 150 psi (10 bar)
Performance	Response Time: < 30 seconds Repeatability: ±0.5% of set point Hysteresis: <30% of set point
Construction	Sensor Material: 303 Stainless Steel Process Connection: 1/2" NPT Sensor Rating: CFSG-1: NEMA 6 (IP67), CFSG-2: NEMA 7
Electrical	Supply Voltage: 18-30 VDC Switching Current: ±200 mA Power Consumption: 4W maximum Output: PNP N.O. (Switch closed with flow)
Cable (CFSG-1 Only)	Material: PVC jacket Type: 4-conductor, #22 AWG Length: 6.5' (2m)

Download Datasheet: CalFlo™ CFSG Flow and Temperature Thermal Mass Switch

Ref: Flo-corp.com

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