An Unbiased View of hvac system design
WG means H2o Gauge. WG is an element with the measurement device to the strain of lover and pump. IN.WG which means inch water gauge could be the Imperial unit for tension. As an example, ducts are Commonly designed with 0.one in.wg of strain decline for each a hundred ft of duct duration.MFD means Motorized Fire Damper. MFD is usually a style of d