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  Balancing valve
 

FIGURE CUTAWAY VIEW
ZWB777T
 
 
Highest Cv's on a majority of sizes
Greater accuracy over a greater control range plus or minus 5% except at 25% open.
Linear curve more accurate control over wider range.
Discreet(hidden)memory strip feature.
Suitable or positive isolation as well as flow measurement and control.
Parabolic (plug style)disc for higher degree of control.
Test points suitable of pressure of temperature measurement.
 
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ETW International