Cleared for take-off: Valve system smoothes de-icing fluid removing at airport

Cleared for take-off: Valve system smoothes de-icing fluid removing at airport

The undertaking concerned an underground valve chamber with very restricted area.

A brand new automated shutdown system that helps defend native watercourses has been put in by AUMA Actuators in a wash-down space for de-icing business airliners at a London airport.

The agency designed, put in, examined and deployed a brand new automated shutdown system that forestalls a excessive focus of glycol from getting into the watercourse, within the occasion of a higher-than-normal stage within the plane wash-down combination.

Colin Borrows, Operations Supervisor, AUMA Actuators Restricted, mentioned: “This was a very fascinating and technically difficult undertaking, which had at its coronary heart the integrity of the native watercourse.
“A pair of manually managed penstocks was already put in in an underground valve chamber with severely restricted area. Our specialist confined area workforce was tasked with automating the management of the penstocks, while retaining the choice to manually management the penstocks within the occasion of {an electrical} failure. We achieved this utilizing AUMA’s handwheel extension drive to permit valve key operation, alongside the flexibility to distant mount the management heads.”

The system includes 4 predominant components; the actuators with remote-mounted AC management heads; the prevailing penstocks; a bespoke management panel; and a glycol analyser.

The SA sort actuators in situ.

It operates by opening and shutting two penstocks mounted beneath the airport apron, which diverts wash-down water to an interceptor holding tank in a managed sequence triggered by a glycol analyser. The analyser always screens the glycol water combine. When excessive glycol focus is detected, a sign is distributed to the management panel, which initiates the shutdown sequence to the actuators.

AUMA technicians constructed a customized panel to manage the actuators, in step with the glycol pattern station. Two AUMA SA07.6 (actuators), AC01.2 (controls) and GK10.2 (gearbox) actuators and gearbox mixtures had been put in within the underground valve chamber, with cable set run to the airport’s kiosk, plus mounting of management heads.

Area technicians eliminated the outdated gearboxes, driveshafts and mechanically put in the alternative gearboxes and actuators. The cable units had been then run within the cable ducting and fed into the kiosk. The management panel, native isolators and management heads had been mounted and linked within the kiosk. The SA sort actuator vary is for open-close responsibility and positioning responsibility and are rated for sophistication A and B or forms of responsibility S2 – 15 min. A particular model for longer operating is offered for S2 – 30 min responsibility. Actuators will be mixed with varied controls from easy OPEN-CLOSE controls to the micro-controlled variations with logging of working knowledge or fieldbus interface.

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