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Product Specifications
- Brand
- Henry Technologies
- Part Number
- 4200-1
- Product Type
- Liquid Flow Switch
- Switch Type
- SPDT
- Max Working Pressure
- 9.8 Barg (142.14 PSIg)
- Max Liquid Temperature
- +150°C (+302°F)
- Process Connection
- 1" NPT
- Compatibility
- Water, ethylene glycol, non-hazardous liquids
Product Description
The Henry Technologies 4200-1 is a reliable liquid flow switch designed for operation control and adjusted flow rate monitoring in industrial systems. It features an SPDT (Single Pole Double Throw) design, housed in a sturdy PVC cover with a plated mounting bracket and stainless steel internal frame. The switch is ideal for applications requiring accurate, reliable, and rugged construction, such as water loops and glycol systems.
Technical Specifications
- Maximum Working Pressure: 9.8 Barg (142.14 PSIg)
- Operating Temperature Range: Max ambient temperature: +80°C (+176°F); Max liquid temperature: +150°C (+302°F)
- Refrigerant Compatibility: Water, ethylene glycol, or any liquid not harmful to phosphor bronze/brass and/or classified as hazardous fluids.
- Available Sizes: 1"-11 NPT
- Pipe Size Compatibility: Can be set for 3" to 6" pipes, with field-adjustable flow conditions.
- Product Certification: N/A
- Installation Requirement: The pipe on both sides of the switch must be 5 times the pipe diameter from the nearest elbow, valve, or other pipe restriction.
- Available Downloads: 3D STEP file (4200-1.step) and PDF datasheet (4200-1 Cust revA.pdf) available on the product page.
Applications
The 4200-1 is ideal for flow/no-flow detection and pump protection in water loops, glycol systems, and other industrial fluid handling applications where reliable, field-adjustable flow monitoring is required.
Resources & Documentation
Henry Technologies
Henry Technologies 4200-1 Liquid Flow Switch SPDT for 3-6 Pipes
9.8 bar, 150°C, 1" NPT, Water/Glycol
MPN/Series: 4200-1
Product Specifications
- Brand
- Henry Technologies
- Part Number
- 4200-1
- Product Type
- Liquid Flow Switch
- Switch Type
- SPDT
- Max Working Pressure
- 9.8 Barg (142.14 PSIg)
- Max Liquid Temperature
- +150°C (+302°F)
- Process Connection
- 1" NPT
- Compatibility
- Water, ethylene glycol, non-hazardous liquids








