Fisher rotary valve delivers high cycle life
An
Emerson Process Management product story
Edited by the Engineeringtalk editorial team
Oct 2, 2009
Emerson Process Management has announced the release of the Fisher 8580 rotary valve that delivers rugged reliability and high cycle life.
Mechanical tests were conducted to determine the valve's cycle life, fatigue life, vibration resistance, and temperature and pressure limits.
Tests were also performed on materials for its valve body, disk, seals, shaft and bearings to assure resistance to conditions that could lead to deterioration in performance.
The valve can be installed in a horizontal or vertical orientation with no detriment to performance or cycle life.
This also enables left- or right-hand mounting of the valve actuator, allowing access for any installation.
The Fisher 8580's disk design gives it an approximately linear flow characteristic to provide precise throttling control.
The valve is offered with a soft or metal seal, providing capability for enhanced shutoff.
The interchangeable seal capability minimises parts inventory requirements.
To facilitate use in all world areas, the Fisher 8580 meets API, ASME, and EN standards.
The valve body meets PN 10 through PN 40, CL150, and CL300 ratings.
Face-to-face and raised-face dimensions meet EN 593, API 609, and MSS-SP68 standards.
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