Not known Factual Statements About hvac system in pharmaceutical industry
WG stands for H2o Gauge. WG is a component of the measurement unit to the force of supporter and pump. IN.WG which stands for inch drinking water gauge would be the Imperial unit for tension. For example, ducts are Usually designed with 0.one in.wg of force decline for every a hundred ft of duct duration.BDD stands for Backdraft Damper. BDD is util