Jul 26, 2007 #1 dmcmike01 Mechanical Joined Jul 26, 2007 Messages 1 Location US On a low pressure < 1" and 1500 fpm duct system, is the equivalent length method acceptable to determine system external static pressure, or should we be using fitting coefficients for the calc?
On a low pressure < 1" and 1500 fpm duct system, is the equivalent length method acceptable to determine system external static pressure, or should we be using fitting coefficients for the calc?