
Method of evaluating pneumatic valve positioners with input signal of 3 to 15 lbf/in2 (gauge).
NORM herausgegeben am 22.3.1967
Bezeichnung normen: BS 4151:1967
Ausgabedatum normen: 22.3.1967
Zahl der Seiten: 14
Gewicht ca.: 42 g (0.09 Pfund)
Land: Britische technische Norm
Kategorie: Technische Normen BS
Specifies tests to determine performance of pneumatic valve positioners with 3 to 15 lbf/in2 (gauge) input signal. Method of evaluation specifies use of a valve operator of a spring-opposed or double-acting diaphragm or piston type in order to allow a ready comparison to be made between different types of positioner. Status: Confirmed