Rotork SPI Delivers Smart Position Indication for Manually Operated Valves

The Rotork SPI Smart Position Indicator
mechanically displays the position of the valve and electronically signals it’s open and closed positions

The Rotork SPI Smart Position Indicator mechanically displays the position of the valve and electronically signals it’s open and closed positions

Designed for manually operated valves, the Rotork SPI Smart Position Indicator mechanically displays the position of the valve and electronically signals it’s open and closed positions.

Typical areas of application include chemical and petrochemical plants, power stations, public utilities, airports and fire hydrant systems.

The limit switches in the fully sealed aluminium enclosure use current ECL (Emitter Coupled Logic) principles to provide the control room with a reliable and accurate valve position signal. The maintenance-free unit is environmentally sealed to IP67, ATEX Zone 1 hazardous area compliant and suitable as standard for an ambient operating temperature range of -25ºC to +100ºC (-13ºF to +212ºF). Options include ATEX Zone 2 compliance, direct mounting on valves in sizes up to 75mm (3˝) and a pin/key handwheel.

The ability of the SPI to provide a much-improved solution to the equipment previously used is illustrated by a recent order in Spain. The customer’s list of special requirements also demonstrated the flexibility of the SPI design. These included Eexd Certified switches with three metre cable tails for use in a Zone 1 hazardous area and continuous remote signalling of the valve open position between the 60% open and fully open positions.

Tel: +44(0)1623 440211
Email: sales@rotorkvalvekits.com
Web: www.rotorkvalvekits.com

Published in Valve User Magazine Issue 41


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