Intelligent Line Breaker - Advanved Flameproof

Flameproof controller for pipeline monitoring

The ILB24-AF is designed to handle all the tasks an intelligent line breaker could be used for. It provides a straight forward solution to monitor and shutdown the pipeline in case of an emergency. The controller constantly monitors the pressure of the pipeline and will shut down the flow of the pipeline if abnormal pressure is detected.

The controller comes in a flame and explosion proof enclosure made in stainless steel extra-low carbon with an exceptional resistance corrosion against sulfuric, hydrochloric, acetic and tartaric acids, as well as against acid sulfates and alkaline chlorides. This makes the controller and ideal solution for hazardous environments and places where safety requirements are high.

The controller is equipped with an extension interface which makes it possible to add extra hardware functionality on customer request.


ILB24-AF - Intelligent Line - Advanced in a flameproof enclosure


Local control panel option

The ILB24-AFL model offers a local control panel that contains a switch for local and remote control, push buttons to open/close the valve and reset button.

The ILB24-AFL offers the same features as the standard model without a local control panel.


ILB24-AF - Intelligent Line Breaker in a flameproof enclosure fitted with a local control panel

Schematic example

Schematic example of the ILB24-AF - Intelligent Line Breaker in a flameproof enclosure

Electrical connections

Transmitter loop


Power supply


Digital output

4 x 24VDC

Digital input

1 x 24VDC

Position sensor

4-20mA - 2-wire
4-20mA - 4-wire

3-wire potentionmeter


Local user interface

On the local user interface, you can see the status of the valve system, check error messages, pressure, RoD and configure the controller. The USB port provides easy access to configure the positioner on a PC using ValConnect.

Val Controls provides a magnetic touch pen that gives full access to the local user interface when the valve system is in operation. This eliminates the need to open the Ex D enclosure to operate the push buttons.

The local user interface is fitted with various indication LEDs that display, for example, if valve is open or closed.


Local user interface of the ILB24-AF

Related products