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Desuperheater High Temperature Valve (65000 Series)
High Temperature Valves
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PSM Series65000

Desuperheater High Temperature Valve (65000 Series)

Reduces the temperature of saturated steam or other vapours and converts them to dry steam (desuperheating)

General Data

Size
1 – 4 inch
Pressure Class
Class 150 – 1500
Body Material
ASTM SA105 / SA106 Gr. B or SA182 F11 / SA335 P11 (1.0460 / 1.0345 / 1.7335); other materials on request
End Connection
Flanged (RF / RTJ)

Catalogue Cv curve & tableEngineering estimate

Cv vs opening percentage — PSM reference catalogue data

Rated Cv 13.8NPS 1"Characteristic Equal %Cv ratio at 50% 0.242Rangeability 40Confidence lowBack-test error ±45%
371140255075100% opening
Opening %Cv% of rated
100.32%
200.86%
301.29%
402.316%
503.324%
605.137%
707.756%
8010.375%
9012.490%
10013.8100%

This table is not manufacturer measured data: Cv comes from the scaling law fitted to the measured series (back-test error ±45%, confidence low). Confirm with PSM engineering before ordering.

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