K Controls extend their range of valve position monitors for use in hazardous atmospheres and hostile environments

007-120 Exd IIC Position Monitor in stainless steel with Klearvision position indicator

007-120 Exd IIC Position Monitor in stainless steel with Klearvision position indicator

007-100 Exd IIC Position Monitor in coated aluminium with Klearvision position indicator

007-100 Exd IIC Position Monitor in coated aluminium with Klearvision position indicator


K Controls, the UK based manufacturer of networking and monitoring equipment is proud to announce its extended range of valve position monitors for use in hazardous atmospheres and hostile environments.

The 007-100 and 007-120 Exd or Exia IIC Position Monitors are ATEX, IECEx and INMETRO certified for use in gas Zones 1 and 2 and dust Zones 21 and 22. Exd and AExd versions are also available with NEC 505 cCSAus certification marking for use in Canada and the USA.

For Canada the products are gas certified Ex d IIC T6 and dust certified Ex tb IIIC, Class II, Groups E, F and G; IP66/IP67 or IP68.

For the USA the products are gas certified Class I Zone 1, AEx d IIC T6 and dust certified Zone 21, AEx tb/tD T85oC; IP66/IP67 or IP68.

There are also versions for non-hazardous areas.

The CE marked, IP66/IP67 or IP68 enclosures are supplied in either coated aluminium, ANC 4B (316) stainless steel or special exotic materials for sub-sea use.

Metric and NPT cable entries up to M25 and ¾" are available.

The products have 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. It is directly driven from the input shaft, no internal gearing is required.

The 007-100 is a compact solution that can contain up to 2 switches or a 4-20mA position transmitter. Two point cover fixing reduces commissioning times. The larger 007-120 can contain up to 4 switches and a 4-20mA position transmitter.

For Exia and Exd applications the ambient temperature ranges have, where possible, been extended. With certain content combinations some Exia versions can achieve -50oC to +70oC at T6 or -50oC to +80oC at T4. Similarly some Exd versions can achieve -60oC to +70oC at T6 or -60oC to +120oC at T4.

Baseefa have issued K Controls with ingress protection test reports. Both the 007-100 and 007- 120 enclosures have passed IP 66, IP67 and IP68 tests to EN 60529:1991. IP 68 at a depth of 30 metres for 96 hours. Standard units are rated IP66 and IP67. IP68 versions are available to special order. Sub-sea connectors and cable can also be supplied.

There is a very extensive range of monitoring equipment that can be fitted in this new range of Position Monitors.

Switch options include micro switches, hermetically sealed magnetically operated reed switches and standard or failsafe inductive proximity sensors. Potentiometers of various different values can be geared or directly driven. A solenoid back wiring facility can be provided so that switches and solenoid can be wired to the control room via a single multicore cable without the requirement for a separate junction box.

007-100 and 007-120’s fitted with certain switches are suitable for both Low and High Demand scenario applications at SIL1 or SIL2 of IEC 61508. Exia versions fitted with proximity sensors are suitable for both Low and High Demand scenario applications at SIL2 of IEC 61508. Exia versions fitted with fail safe proximity sensors and used in conjunction with safety rated barriers, are suitable for both Low and High Demand scenario applications at SIL3 of IEC 61508. Declarations of Conformity are available on request.

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 in K4-20 variants.

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

K Controls Ltd
Tel: 01895 449601
www.k-controls.co.uk


Published: 28th June 2013

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