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Aviation History
1959
1959 - 0478.PDF
20 FEBRUARY 1959 FLIGHT -3 developments in flight equipment v.tJzmf&jexZ)tZ :,.' "safe5** •< by Hqmati 192 ELECTRO PNEUMATIC VALVES For the control of air supplies to guided weapons and to pneumatic or gas systems, the servo operation of Hymatic solenoid pneumatic stop valves ensures a small size and weight and low current drain for high working pressures and low pressure drop. The MD.23 for 4,000 p.s.i. working pressure has \" B.S.P. connections, weighs 1.8 lb. and is rated at 0.4 amp. and 24 volt. The MD.20 for 60 p.s.i. working pressure has a pressure drop of \ p.s.i. at 5 c.f.m. flow, weighs 1.0 lb. and is rated at 0.15 amp. and 24 volt. Other types control air flows up to 1 lb./sec. Hymatic, as leading engineers in the Aircraft equipment field, have been responsible for the design and precision manufacturing of many products, including: . Selector valves High pressure relief valves Shuttle valves Pneumatic rams .. Automatic regulator valves Hot air reducing valves •• Pressure maintaining valves THE HYMATIC ENGINEERING COMPANY LIMITED REDDITCH, WORCESTERSHIRE
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