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TopWorx TVF-M20GNPM Discrete Valve Controller

TopWorx TVF-M20GNPM Discrete Valve Controller

Item NO.: 3744951
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Warranty: 1 year 


Condition : brand new in factory sealed box


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Detail

  • Product NameTopWorx TVF-M20GNPM Discrete Valve Controller
  • Item NO.3744951
  • Weight1.0000 kg = 2.2046 lb = 35.2740 oz
  • CategoryPLC
  • Brandothers
  • Creation Time2026-08-23
TopWorx TVF-M20GNPM Discrete Valve Controller | HTML Preview

TopWorx TVF-M20GNPM Discrete Valve Controller

ManufacturerTopWorx / EmersonModelTVF-M20GNPMProduct TypeTV-Series Discrete Valve Controller

01Technical Summary

TopWorx TVF-M20GNPM is a configured TV-Series discrete valve controller for direct mounting on a compatible rotary actuator. The model combines the compact TVF enclosure, two mechanical SPDT position switches, intrinsically safe construction, a 90-degree visual position display, a NAMUR shaft, two 1/2-inch NPT conduit entries, and silicone sealing.

Configuration ControlMatch the complete product identity, installed system, hardware revision, wiring, interfaces, approvals, and project configuration before ordering.

02Applications

Typical Uses

  • Open and closed position feedback from quarter-turn valves.
  • Direct mounting on compatible pneumatic rotary actuators.
  • Valve-status indication in oil and gas, chemical, water, and general process automation.
  • Intrinsically safe position-monitoring loops engineered to the exact product certificate.

Selection Boundary

  • Use the exact model and manufacturer identity shown on the installed product.
  • Treat application examples as context, not as proof of compatibility.
  • Confirm electrical, mechanical, communication, safety, and environmental requirements before ordering.

03Specifications

Manufacturer TopWorx, an Emerson brand
Model TVF-M20GNPM
Series TV-Series, model TVF
Product Type Discrete valve controller / position monitor
Sensor Option M2 - two mechanical SPDT position switches
Area Classification Option 0 - intrinsically safe configuration
Visual Display 90-degree open/closed position indication
Shaft NAMUR pattern
Conduit Entries Two 1/2-inch NPT entries
O-Ring Material Silicone
Pilot Device None in the submitted configuration
Protection Context TVF family designed for hazardous-area valve-position monitoring; use the exact nameplate certificate
Procurement Control Match every character of TVF-M20GNPM and the actuator interface

04Features

Design and Functions

  • Two mechanical SPDT switches provide discrete valve-position feedback.
  • The high-visibility display gives local open/closed indication.
  • Color-coded twist-set cams support straightforward switch adjustment.
  • The NAMUR shaft and compact direct-mount form simplify compatible actuator installation.
  • Two 1/2-inch NPT entries support segregated field-cable routing where required by the design.
  • The submitted configuration has no integrated pilot device, spool valve, or manual override.

Product Identity

  • Manufacturer: TopWorx / Emerson
  • Model: TVF-M20GNPM
  • Product Type: TV-Series Discrete Valve Controller
  • Review Status: Verified

05Compatibility

  • Confirm the actuator NAMUR interface, shaft orientation, mounting bracket, rotation direction, and required visual indication.
  • Match the switch circuit voltage, current, intrinsic-safety barrier, cable glands, grounding, and terminal assignment.
  • Use only the exact certificate and ambient range shown on the installed nameplate for hazardous-area approval.
  • Do not assume that another TVF suffix has the same switches, entries, seals, pilot valve, or certification.
  • Confirm the process environment is compatible with the enclosure, clear lid, silicone seals, and conduit system.

06Maintenance & Replacement

  • Record the full model, serial number, certification markings, switch wiring, cam positions, and actuator orientation.
  • Isolate the valve and electrical loop before opening the enclosure.
  • Inspect seals, lid, conduit entries, shaft, cams, terminals, and mounting hardware.
  • After replacement, set the open and closed cams, verify both SPDT circuits and the visual display through the full stroke, and perform the approved valve functional test.
  • Re-establish enclosure sealing and hazardous-area compliance before service.

FAQFrequently Asked Questions

What is

TVF-M20GNPM is a TopWorx TVF discrete valve controller with two mechanical SPDT switches and an intrinsically safe configuration.

Where is this product used?

It is used on compatible quarter-turn actuators to provide local indication and discrete open/closed valve feedback.

What should be confirmed before ordering?

Confirm the complete model or part number, manufacturer, installed hardware revision, electrical design, interfaces, wiring, approvals, and project configuration.

What information should be recorded before replacement?

Record the full suffix, certificate, serial number, actuator interface, shaft, bracket, rotation, switch wiring, barriers, entries, seals, cam settings, and pilot-valve configuration.

Is another model a direct replacement?

Another TVF model is not a direct replacement unless every sensor, certification, display, shaft, entry, seal, and pneumatic option is matched.

What should be checked after installation?

Stroke the isolated valve and verify cam switching, both contact states, local indication, control-system feedback, sealing, and the approved safety response.

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