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K Controls has introduced the 007-100 Exd IIC position monitor, which is Atex and IECEx certified for use in gas Zones 1 and 2 and dust Zones 21 and 22.

Gas certification varies with content and is typically Exd IIC T4 (T ambient -20C to +80C) or Exd IIC T6 (T ambient -20C to +40C).

The ambient temperature limits can exceed those of other Exd products in the K Controls range.

For example, there is a decrease in the lower limit from -50C to -60C and with 5A switches the upper limits increase from +40C to +70C at T6 and from +80C to +120C at T4.

For explosive dust environments the product is certified Exd tb IIIC T135C or Exd tb IIIC T85C.

The CE-marked, IP67 enclosure is more compact than the existing 007-120 Exd IIC and is available in coated aluminium or ANC 4B (316) stainless steel.

A single M20 conduit entry is standard.

1/2in NPT is an option together with the following dual conduit entry combinations: M20 + M20, M20 + M25, 1/2in NPT +1/2in NPT, or 1/2in NPT + 3/4in NPT.

Designed for use in the oil, gas and petrochemical industries, the unit can be fitted to a range of quarter-turn or linear valve actuators.

It can also be fitted to the handles or gearboxes of manually operated valves.

The product has been designed to accommodate, as an option, the latest version of the top-mounted highly visible Klearvision position indicator that can be used in IIC hazardous areas.

There is a range of monitoring equipment that can be fitted in this 007-100 Exd IIC position monitor.

Switch options include one or two micro switches, hermetically sealed, magnetically operated reed switches and standard or failsafe inductive proximity sensors.

A solenoid back wiring facility can be provided so switches and solenoid can be wired to the control room via a single multi-core cable without the requirement for a separate junction box.

For continuous feedback of valve position or for monitoring the performance of critical emergency shutdown valves during partial stroke testing, 4-20mA, 4-20mA + Hart, Profibus PA or Foundation Fieldbus position transmitters are available.

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