Maximum Delivery Capacity of Cubic Feet of Gas Per Hour of IPS Pipe Carrying Natural Gas of 0.60 Specific Gravity (Based on a Pressure Drop of 0.5 Inch Water Column) Common Vent Capacity - Type B Double Wall Vent Gas Pipe Sizing Guide Maximum Capacity of Pipe in Thousands of BTU per Hour of Undiluted Liquified Petroleum Gases (LPG) (Based on a Pressure Drop of 0.5 Inch Water Column) Low Pressure 11" Water Column
