ANSI/FCI 70-3-2004


Regulator Seat LeakageFluid Controls Institute / 7 pages

Order 70-3 as a set with 70-2 and save 10%!This standard applies to pilot operated and direct acting pressure reducing, pressure relieving (back pressure), differential pressure and temperature regulators.
Selection of a leakage class is not restricted as to regulator design, but acceptable values for various commercially available designs are suggested for each class under Section 4.
The standard cannot be used as a basis for predicting leakage at conditions other than those specified.
This standard is similar to FCI 70-2.
This standard does not apply to pressure regulators as defined in the following standards:
- ANSI Z21.18/CSA 6.3
- ANSI Z21.80/CSA 6.22
- ANSI Z21.78/CSA 6.20

Keywords: regulator, seat leakage

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