Class V seat Leakage Test procedure

[Instnapp05]

Hi All,

I have an HC-30 Ventil control valve test bench and would like to know how to utilised it for testing class V control valves at maximum differential pressure across the seat.

Can anyone with similar test bench advise a procedure for testing such? Appreciate your response..

Thanks,
Naresh

 

[jaydeep29]

Check Control Valve Seat Leakage Classifications standard.
*ANSI/FCI 70-2-1991 standard for reference to create leakage class procedure.



My Motto: Keep calm and never give up.

 

[NGiLuzzu]

Please note that latest edition of the above mentioned ANSI FCI 70-2 standard is dated 2013:

http://www.nssn.org/search/DetailResults.aspx?docid=1229155

The same requirements are included in IEC 60534-4 as well:

http://webstore.iec.ch/webstore/webstore.nsf/artnum/036192

Hope this helps,
’NGL