NO742637L
The specification and drawings disclose a ball valve having an improved relationship between the ball and seat ring members. In general, the ball is mounted for selective rotation and limited axial movement in a valve body. Seat ring members are positioned on diametrically opposite sides of the ball...
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Main Authors | , , , , |
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Format | Patent |
Language | English |
Published |
20.05.1975
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Edition | 2 |
Subjects | |
Online Access | Get full text |
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