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Aviation History
1952
1952 - 1921.PDF
II JULY 1952 FLIGHT 27 Air (h & c) The SAUNDERS standard spherical plug cock emerged from its initial tests (at tempera tures of — 70°C to +90°C) without observable deteriora tion of parts. So much for the 'normal' require ments of aircraft fluid control. But with the present needs of cabin heat ing and other uses of hot air (in the region of 300°C) some modification was introduced, although, even for air at this temperature for short periods, as in one Comet application, the standard model is employed. For the same aircraft, for frequent use of air at 300°C a special Saunders Hot Air Cock, with all-metal construc tion, was developed and this type is available with manual control or, as illustrated, electrical actuation. H or C fluid control problems are welcomed by the laboratory staff of Saunders Aircraft Division. SAUNDERS CWMBRAN VALVE COMPANY Aircraft Division MONMOUTHSHIRE LIMITED ENGLAND In every field of engineering NON-FERROUS CASTINGS are known used and esteemed j. BIRKETT & SONS LIMITED • HANLEY • STAFFS Phone: Stoke-on-Trent 2184-5-6 '" association with 'Grams: Birkett, Hanley BILLINGTON & NEWTON LIMITED • LONGPORT • STOKE-ON-TRENT •Phone: Stoke-on-Trent 87303-4 & 88147 'Grams: Bronze, 'Phone, Longport
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