SERIES – DX DIFFERENTIAL PRESSURE SWITCH

The Dwyer Series DX Differential Pressure Switch is an electro-mechanical device that makes an electrical contact based on the difference in pressure between two sources. It features a weatherproof (NEMA 4X) enclosure, brass and fluoroelastomer wetted materials compatible with many gases and liquids, and an externally adjustable set point. It uses opposing diaphragms to sense pressure, and the output is a single-pole, double-throw (SPDT) switch. 

• Differential pressure switch that is suitable for most gas and water-based applications allows multiple uses in the most sophisticated designs
• Weatherproof housing provides protection in the harsh, wet or dirty environments ensuring switches long-service life
• Removable terminal block reduces installation time
• Function: Senses the difference between two pressures and triggers an electrical contact at a set point.
• Wetted Materials: Brass and fluoroelastomer, making it suitable for most gases and water-based solutions.
• Enclosure: Weatherproof UL Type 4X, suitable for dusty, outdoor, or wash-down applications.
• Set Point: Externally adjustable with a range of 1 to 75 psid, depending on the model.
• Operating Pressure: Can handle a high static pressure of up to 200 psig (13.8 bar).
• Switch: A single-pole, double-throw (SPDT) snap switch with electrical ratings of 5A @ 125/250 VAC and 5A res @ 30 VDC.
• Installation: Includes an integral mounting flange and a removable electrical terminal block for easy installation.
• Applications
• Indicating filter condition
• Monitoring flow through pumps, chillers, or heat pumps
• General proof of flow indication