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Pressure Regulating Valve (70000 Series) Type A
Pressure Regulating Valves (70000 Series)
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PSM Series70000

Pressure Regulating Valve (70000 Series) Type A

Pressure regulating valves including pressure sustaining, pressure reducing and relief types for safe, efficient operation

General Data

Size
1/4 inch (port)
Body Material
Die-cast aluminum
Trim Material
Stainless steel, VALOX 420, NBR, neoprene / Stainless steel 416, carbon steel with zinc plating
End Connection
NPT threaded

Catalogue Cv curve & tableEngineering estimate

Cv vs opening percentage — PSM reference catalogue data

Rated Cv 1.5NPS 0.25"Characteristic Equal %Cv ratio at 50% 0.242Rangeability 40Confidence very lowBack-test error ±62%
1120255075100% opening
Opening %Cv% of rated
1002%
200.16%
300.19%
400.216%
500.424%
600.637%
700.856%
801.175%
901.489%
1001.5100%

This table is not manufacturer measured data: Cv comes from the scaling law fitted to the measured series (back-test error ±62%, confidence very low). Confirm with PSM engineering before ordering.

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