Description
Dwyer V6EPB-B-D-4-B Mini Size Flow Switch Overview
The Dwyer V6EPB-B-D-4-B is a compact, heavy-duty mini size flow switch engineered for reliable liquid flow detection in demanding industrial and HVAC applications. Featuring an all-brass upper and lower body construction paired with a brass tee fitting, this switch delivers excellent corrosion resistance and long service life in water and compatible fluid systems. The 1-1/4″ NPT connection ensures straightforward installation into standard pipe configurations, while the Double Pole Double Throw (DPDT) switching action provides versatile circuit control — supporting both normally open and normally closed configurations simultaneously.
Explosion-Proof Design
The V6EPB-B-D-4-B carries an explosion-proof rating, making it suitable for use in hazardous locations where flammable gases, vapors, or dust may be present. This certification makes it an ideal choice for industrial process piping, boiler systems, chiller plants, and other critical flow-monitoring applications that require compliance with safety standards in classified environments.
Key Features
- Mini size, compact form factor for space-constrained installations
- Brass upper and lower body construction for corrosion resistance
- Brass tee fitting included for easy in-line installation
- 1-1/4″ NPT pipe connection
- DPDT (Double Pole Double Throw) switch — supports NO and NC circuits simultaneously
- Explosion-proof rated for use in hazardous locations
- Suitable for water and compatible liquid flow detection
- Reliable paddle-actuated switching mechanism
Typical Applications
- Chiller and boiler flow proving
- Pump protection and flow verification
- Industrial process piping systems
- Hazardous location flow monitoring
- HVAC hydronic systems
- Water treatment and cooling tower circuits
Why Choose Dwyer?
Dwyer Instruments is a trusted name in flow, pressure, level, and temperature instrumentation. The V6EPB series flow switches are built to perform in tough environments, combining rugged materials with precision switching to protect equipment and ensure system efficiency. Order the Dwyer V6EPB-B-D-4-B from Jackson Systems today.







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