Emerson TopWorx TV-Series
TopWorx TVF-M20GNPM Valve Controller
A TVF valve controller with two SPDT mechanical switches, intrinsically safe construction, NAMUR interface and silicone sealing selection.
Product Summary
Exact TVF configuration at a glance
TopWorx TVF-M20GNPM is a TV-Series valve controller. Emerson’s exact SKU page describes it as “(2) SPDT mechanical switches, I.S., NAMUR, silicone.”
The configuration provides discrete valve-position feedback through two mechanical SPDT switches and is selected with the documented NAMUR and silicone options.
Technical Highlights
Configuration details that define the model
Two switches
The exact official description specifies two switching elements.
SPDT mechanical
Mechanical single-pole double-throw position switches.
Intrinsically safe
The exact SKU description marks the configuration as I.S.
NAMUR
NAMUR shaft selection for valve-actuator mounting.
Silicone
The exact configuration is identified with silicone.
High-visibility indication
TVF series documentation highlights visible position display and adjustable cams.
Performance & Compatibility
Discrete valve-position feedback and TVF compatibility
The exact unit uses two SPDT mechanical switches for discrete open/closed position feedback. The NAMUR selection is intended for the matching actuator shaft interface.
Emerson’s TVF series information also highlights a high-visibility display, color-coded twist-set cams, multiple sensor options and operation in demanding environments. Exact project approvals must be matched to the full order code.
| Brand | TopWorx by Emerson |
|---|---|
| Exact part number | TVF-M20GNPM |
| Product family | TV-Series, model TVF |
| Switch configuration | 2 × SPDT mechanical switches |
| Area selection | Intrinsically safe |
| Shaft interface | NAMUR |
| Seal selection | Silicone |
Installation / Connection Guide
NAMUR mounting and discrete feedback path
Because the exact SKU page does not publish a separate dimensional drawing, this English installation diagram was generated directly from the official model description.
Selection & Ordering Notes
Checks before ordering or replacing the unit
-
Order the full code
Use TVF-M20GNPM to retain the documented switch, safety, interface and sealing selections.
-
Do not replace the switch type silently
This exact SKU uses mechanical SPDT switches, not a proximity or bus-network sensing option.
-
Match the actuator interface
Confirm that the valve actuator provides the NAMUR mounting and shaft arrangement required by the order code.
-
Confirm project certification details
Use the applicable Emerson certificate and project requirements for the installation location.
FAQ
TVF-M20GNPM technical questions
How many switches are included in TVF-M20GNPM?
The official exact SKU description specifies two switches.
What switch type is used?
It uses SPDT mechanical switches.
Is the configuration identified as intrinsically safe?
Yes. Emerson’s exact product description marks the unit as I.S.
Which actuator interface is specified?
The order code is described with a NAMUR interface.
Which sealing material is identified?
The exact SKU description identifies silicone.
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