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TEST OF GRANVILLE-PHILLIPS TYPE C ULTRA-HIGH VACUUM VALVE. Technical Memo. No. 33

Technical Report ·
DOI:https://doi.org/10.2172/4068790· OSTI ID:4068790
Tests were made on the ultra-high vacuum valve to determine the feasibility of baking the valve closed at 400 deg C to enable a copper foil vapor trap to be baked while isolated from its system by the valve. The rate of pressure rise was measursd as a function of the valve closing torque between 200 and 400 in. lb, for open and closed bake-outs. The data are tabulated and compared graphically. (B.O.G.)
Research Organization:
Princeton Univ., N.J. Project Matterhorn
DOE Contract Number:
AT(30-1)-1238
NSA Number:
NSA-15-013029
OSTI ID:
4068790
Report Number(s):
NYO-7875
Country of Publication:
United States
Language:
English

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Related Subjects

CONTROL
COPPER
ENGINEERING AND EQUIPMENT
MEASURED VALUES
PRESSURE
TEMPERATURE
TESTING
VACUUM
VALVES
VAPORS