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FCI 70-2

Control Valve Seat Leakage

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Organization: FCI
Publication Date: 1 January 2013
Status: active
Page Count: 9
scope:

SCOPE & LIMITATIONS

Selection of a leakage class is not restricted as to valve design, but acceptable values for various commercially available designs are suggested for each class under Section 4. 

This standard applies to production tests and cannot be used as a basis for predicting leakage at conditions other than those specified and does not apply to valves with a Cv value less than 0.1. 

This standard is similar to IEC 60534-4, except that no provision is made for Class IV-S1.

PURPOSE 

This standard establishes a series of seat leakage classes for control valves and defines production test procedures.

Document History

FCI 70-2
January 1, 2013
Control Valve Seat Leakage
SCOPE & LIMITATIONS Selection of a leakage class is not restricted as to valve design, but acceptable values for various commercially available designs are suggested for each class under Section 4. ...
January 1, 2006
Control Valve Seat Leakage
SCOPE & LIMITATIONS Selection of a leakage class is not restricted as to valve design, but acceptable values for various commercially available designs are suggested for each class under Section 4....
January 1, 2003
Control Valve Seat Leakage
A description is not available for this item.

References

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