Topworx Switchboxes
TopWorx Limit Switch Box DXP-00WGNMB Valve Monitor
TopWorx Limit Switch Box DXP-00WGNMB Valve Monitor
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The TopWorx Limit Switch Box DXP-00WGNMB Valve Monitor is a robust and reliable solution for accurate valve position monitoring, ideal for use in diverse industrial environments. Its DXP tropicalized aluminum enclosure offers enhanced durability and protection against harsh conditions, ensuring longevity and resilience. Built with a NAMUR 316 stainless steel shaft, this switch box is engineered for superior corrosion resistance and optimal performance, even in challenging applications.
Equipped with a standard 90° visual display featuring a green OPEN indication, the DXP-00WGNMB makes it easy to monitor valve status at a glance. With two M20 conduit entries, installation is straightforward and adaptable to existing setups. Designed without additional switches, spool valves, or pilot devices, this model is streamlined for efficient functionality while meeting essential application needs.
Key Features:
- Enclosure: Tropicalized aluminum (DXP), offering excellent environmental resistance.
- Visual Display: Standard 90° green OPEN indicator for clear valve status visibility.
- Shaft: NAMUR 316 stainless steel, ensuring durability and corrosion resistance.
- Conduit Entries: Two M20 conduit entries for straightforward installation.
- O Rings: Durable Buna-N material for effective sealing.
- Area Classification & Certification: Suitable for general use without regional or area-specific approvals.
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FAQ's
What is the difference between a valve and an actuator?
What types of actuators are available?
The main types of actuators are:
Pneumatic actuators – use compressed air for fast, reliable operation.
Electric actuators – use electrical power for precise control.
Hydraulic actuators – use fluid pressure for high-torque applications.
Each type offers unique advantages depending on the environment, media, and system control needs.
How do I choose the right actuator for my valve?
To select the correct actuator, consider:
Valve type and torque requirement
Power source available (air, electric, or hydraulic)
Operating environment (temperature, humidity, hazardous area)
Control signal type (on/off or modulating)
Matching actuator torque and compatibility with the valve’s ISO mounting ensures reliable performance.
What are the main types of valves used in automation?
The most common valves in automated systems include:
Ball valves – for tight shutoff and quick operation.
Butterfly valves – for larger flow control with compact design.
Globe valves – for precise throttling and flow regulation.
Check valves – to prevent backflow.
Gate valves – for full bore flow isolation.
What’s the difference between a double-acting and spring-return actuator?
Double-acting actuators use air (or power) to both open and close the valve.
Spring-return actuators use air to open (or close) the valve, and a built-in spring to automatically return it to a safe position when power or air is lost — ideal for fail-safe operation.
How often should valves and actuators be serviced?
Regular maintenance intervals depend on operating conditions, but a good rule of thumb is to inspect every 6–12 months.
This includes checking for leaks, lubrication, seal wear, and actuator responsiveness to prevent unexpected downtime.