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Aviation History
1951
1951 - 1520.PDF
io AUGUST 1951 FLIGHT Up to 3 Bore The demand for larger bore Spherical Plug Cocks goes on and already the Saunders 3" model is in production. This 3" and the 2£" cock are similar to the 2" pattern of which a full size illustration of the motorised unit is shown here. The body closely follows the contour of the spherical plug so that all superfluous metal is eliminated. The plug itself is cored out for lightness and the trim lines of the complete component are reflected in.the weight given in the tables below. As with the smaller sizes (the complete range of 12 sizes extends from £" to 3") triple diaphragm sealing against internal and external leakage is employed. The full bore, low torque and glandless con- struction are also noteworthy features of the larger sizes and contribute to a similar high standard of performance. The spindle diaphragm and consequently operating handles or motors can be removed with- out affecting the pressure tightness of the cock. SIZE 2" clamp end . . 2" screwed end 2£" clamp end 3" clamp end.. Length 4.82" 5.85" S.30" 5.88" Height from pipe centre 9.10" 9.10" 10.54" 10.85* Weight 3.82 lbs. 3.97 lbs. 7.09 lbs. 8.27 lbs. Technical Literature of all Models on application SAUNDERS VALVE CO. LTD. C W M B R A N MONMOUTHSHIRE
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