Description
The Dwyer DA-7031-153-7 is a Bourdon tube pressure switch engineered for reliable pressure monitoring and control in a wide range of HVAC and industrial applications. With a 5 to 150 Psig operating range and a 24 Psig adjustable deadband, this switch offers the flexibility needed to fine-tune setpoints and prevent short-cycling in demanding systems.
Key Features
- Operating pressure range: 5 to 150 Psig
- Adjustable deadband: 24 Psig
- Switch action: SPDT (Single-Pole, Double-Throw)
- Tube material: Brass — provides excellent corrosion resistance for liquid and gas pressure media
- Electrical rating: 10 Amp
- Enclosure type: General Purpose
- Process connection: 1/4″ Male NPT
- Mounting orientation: Vertical
Design & Construction
The Bourdon tube sensing element delivers accurate, repeatable pressure actuation without the need for external power to the sensing mechanism. The brass tube construction ensures compatibility with a broad range of media, while the general purpose enclosure makes this switch suitable for typical indoor HVAC mechanical room environments. The 1/4″ Male NPT process connection allows for straightforward installation into standard piping systems.
Electrical Specifications
- Switch type: SPDT
- Current rating: 10 Amp
Process & Mechanical Specifications
- Operating range: 5 to 150 Psig
- Adjustable deadband: 24 Psig
- Tube material: Brass
- Process connection: 1/4″ Male NPT
- Mounting: Vertical
- Enclosure: General Purpose
Applications
Ideal for use in HVAC systems, boiler and hydronic systems, compressed air, water, and other compatible fluid pressure monitoring and switching applications where a reliable, field-adjustable pressure switch is required.
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