Emerson Topworx Dxp
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Emerson Topworx Dxp

The Emerson TopWorx DXP is a heavy-duty discrete valve controller designed for industrial applications that require maximum reliability in harsh environments. As part of the D-Series, it is ideal for chemical, petrochemical, oil & gas, and other hazardous areas.
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Product Introduction

TopWorx DXP Discrete Valve Controller

 

The Emerson TopWorx DXP is a heavy-duty discrete valve controller designed for industrial applications that require maximum reliability in harsh environments. As part of the D-Series, it is ideal for chemical, petrochemical, oil & gas, and other hazardous areas. The DXP offers robust performance with superior corrosion resistance, explosion-proof certifications, and a flexible range of communication options.
product-400-400

 

Key Features

 

Feature

Description

Housing Material

Aluminum alloy with corrosion-resistant coating

Certification

IECEx, ATEX, UL, NEPSI, KOSHA, EAC

Sensor Type

GO Switch – sealed magnetic sensing for high reliability

Output Options

Mechanical switches, relays, FOUNDATION Fieldbus, DeviceNet, AS-Interface

Environmental Rating

IP66 / IP67, suitable for extreme temperatures and high humidity

Mounting

Direct valve mount or bracket installation

Operating Temperature

-40°C to +85°C

 

product-563-625

 

Advantages

 

Emerson TopWorx DXP provides robust protection against corrosion, dust, and explosive atmospheres, making it suitable for critical control applications. Its GO Switch technology allows for sensor replacement without breaking the process seal, reducing downtime. Compared to TXP/TXS, DXP is designed for heavier loads and hazardous environments, offering higher durability and broader certifications.

 

Applications

 

Control of rotary or linear valves in hazardous areas

Oil & gas production and refining

Chemical processing with corrosive chemicals

High-reliability on/off control in critical pipelines

 

D-Series vs T-Series Comparison

 

Feature

DXP / DXS (D-Series)

TXP / TXS (T-Series)

Environment

Hazardous / high-corrosion / heavy-duty

Standard industrial / moderate conditions

Housing

Aluminum / 316L stainless steel

Aluminum / 316 stainless steel (lighter)

Certifications

Comprehensive (IECEx, ATEX, UL, etc.)

Limited to standard hazardous area certifications

Output

Advanced options, total bus support

Basic switches or relay outputs

Durability

High – designed for extreme conditions

Moderate – general industrial use

 

Strategic Advantages

 

The DXP provides superior protection against dust, moisture, corrosive agents, and explosive atmospheres, making it essential for critical on/off control. Its GO Switch technology is a key advantage, ensuring process safety integrity and minimal downtime during sensor maintenance.
The DXP is the definitive choice for the control of rotary or linear valves in applications requiring unmatched reliability and longevity in the harshest industrial pipelines and chemical processing facilities.

 

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