Original Emerson TOPWORX Go Switch Proximity Mechanical 4-20mA Transmitter DXP-L21GNEB

TopWorx™ D-Series discrete valve controllers are certified for use in every world area. They carry IECEx, ATEX, and UL certifications in a single model, making it easier for global customers to standardize across plants in multiple world areas. Other certifications available include NEPSI, KOSHA, InMetro, and EAC.

D-Series discrete valve controllers can survive in virtually any plant condition. Their heavyduty construction and corrosion resistance enable superior performance in the most demanding applications.

The D-Series is Built Tough!

Designed to provide reliable service for a lifetime, the D-Series has been built to last in the most demanding applications, and endurance tested for over 3.5 million cycles to prove it.

Wet

Tested against intense water pressure blasts and complete submersion underwater for 96 hours at a depth of 30 meters.

Hot

Tested for long-term functionality in temperatures up to 176ºF/80ºC

Cold

Tested for endurance in temperatures down to -76ºF/-60ºC

Dirty

Tested in dust chamber and proven dust tight

Abusive

Tested against the “300 pound man step test” and proven impact and step resistant

Corrosive

Tested against hundreds of corrosive and caustic elements and proven to resist deterioration or chipping

Explosive

Tested by UL and Sira for use in explosive environments with no seal-off fittings required (DXP, DXS)

Chemical Compatibility

Tested against hundreds of chemicals with varying exposure times, temperatures, and concentrations. Please contact factory for compatibility information.

Visual Display

• Impact resistant polycarbonate

• Intuitive colors (Green/Red)

• Adjustable/customizable

• Pre-adjusted to 90° for easy installation

• Less than 1 3/4” tall

Rugged Enclosures for Every Environment

• Aluminum, Composite, Stainless

• Up to four conduit entries (English or Metric)

• O-ring seals everywhere

• Buna, Silicone o-ring options

Bus Networking / Sensor options

• FOUNDATION Fieldbus, Profibus, DeviceNet, AS-Interface, HART

• GO™ Switch, Proximity, P+F™, Mechanical, 4-20mA Transmitter

Pilot Valves

• Aluminum, 316 Stainless Steel available

• Low Power Solenoid or Ultra-Low Power Piezo

• Single or Dual Coil

• .86 Cv and 3.7 Cv

• Integrally mounted for extra protection

• Built-in filter protects the pilots against debris

• Fast, easy troubleshooting:

- Pneumatic tubing is color-coded for trouble shooting while system is pressurized

- Troubleshoot valve without removing the cover

Similiar models

Stainless Steel Shaft & Fasteners

• ¼” DD or NAMUR Shaft

• Captive cover bolts

• Captive dome screws

Environmental Extremes

• Rated for environments from –76°F/–60°C to 347°F/175°C

• NEMA Type 4, 4X, IP66/67