The TopWorx TVF valve monitoring systems provide the perfect solution for all of your non-incendive applications. Delivering full functionality with a compact and cost effective unit the TVF is available with a variety of sensors including SPDT, ASI, Profibus & DPDT. The clear resin lid offers a highly visible impact resistant cover housing colour coded twist set cams for user friendly adjustment. LED indicators are also available for low light environments.

Features and benefits of the TopWorx TVF Valve Position Monitor.

Key Features

Impact resistant highly visible indicator display with option for Red & Green LED for low light environments.

Key Features

Modular by design. Multiple bus and sensor options available to customise from stock. ASI, SPDT, P&F NJ2-V3-N, 4-20mA, DPDT, Gold Plated.

Key Features

Direct Mount capability. Reduced cost, lead times and product profile. Easily direct mount to quarter turn rack and pinion actuators.

CERTIFICATES & APPROVALS

OPERATIONS

TopWorx TVF switchboxes are important because they provide a reliable and efficient way of monitoring and controlling valve position in demanding industrial environments. These valve controllers combine robust mechanical construction with smart technology, ensuring operators have accurate, real-time feedback on whether a valve is open, closed, or somewhere in between.

This is critical in process industries where safety, compliance, and efficiency are key priorities. The TVF series is designed with durability in mind, offering protection against harsh conditions such as dust, moisture, and corrosive atmospheres. They also reduce downtime by making it easier for technicians to identify valve position quickly, which improves maintenance and operational decision-making. Without switchboxes like the TopWorx TVF, plants would face greater risk of process errors, inefficiencies, and even costly shutdowns, making them a vital component in any automated valve package.

You would typically find TopWorx TVF switchboxes in industries where valves play a central role in controlling the flow of liquids, gases, or steam. Common applications include oil and gas facilities, chemical processing plants, power generation, water treatment, and pharmaceutical manufacturing. In these environments, switchboxes are mounted directly onto actuators or valves, acting as the link between the field equipment and the plant’s control system.

This allows operators to monitor valve position from a control room or integrate the feedback into a larger automation system for full process control. Because the TVF is built to withstand extreme industrial conditions and hazardous areas, it is particularly common in locations that require ATEX, IECEx, or other global certifications. Essentially, anywhere precision valve monitoring and safety are required, you will find TopWorx TVF switchboxes in use.

A TopWorx TVF switchbox is a valve position monitor designed to provide reliable open/close feedback for automated valves. It houses switches, sensors, and visual indicators that allow operators to quickly determine valve status.

They are critical because they ensure accurate monitoring of valve positions, reducing the risk of process errors, improving safety, and helping operators maintain efficient plant operations.

They are commonly used in oil and gas, chemical processing, power generation, water treatment, and pharmaceutical facilities—anywhere precise valve monitoring is required.

Yes. The TVF series is designed for hazardous environments and meets global certifications such as ATEX and IECEx, making them suitable for explosive or high-risk process areas.

They provide both visual and electrical feedback. Operators can see valve position locally on the switchbox, and control systems can receive signals remotely for automation and monitoring.

They are engineered to withstand tough industrial environments, offering protection against dust, moisture, and corrosion. This ensures long service life and reliability in demanding conditions.

Yes. They are designed to work seamlessly with control systems and can be integrated into new or existing process automation setups.

Yes. They can be configured with a variety of switch options, including mechanical switches, proximity sensors, and even bus networking technologies, depending on the application.

Industries with high reliance on automated valves—such as oil and gas, chemical plants, food and beverage, water treatment, and pharmaceuticals—gain the most benefit from accurate monitoring.

By providing clear and instant valve position feedback, they make it easier to identify issues, streamline troubleshooting, and speed up maintenance, all of which minimise unplanned downtime.

Yes. They are designed for simple mounting on actuators and valves, with standard interfaces that make installation straightforward in most applications.

The TVF series stands out for its rugged construction, wide certification approvals, and proven performance in hazardous areas. It combines reliability, flexibility, and safety, making it a trusted choice worldwide.