| 摘要 |
A disk valve construction having a unitary valve body. The valve is opened and closed by rotation of a drive shaft which is maintained in geared connection with a rotator spool positioned in an internal cavity of the valve body. The drive shaft extends in a direction substantially perpendicular to the longitudinal axis of the valve body. The drive shaft may be supported in a housing assembly to allow pressurization thereof for valve operation with steam and hazardous materials.
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