Qt = Total air flow of Dust collector. Q1 = Air Flow in first area. Q2 = Air Flow in second area. etc. Static Pressure is a loss due to the air flow pressure pickup area to exit the dust collector system.The pressure loss can occur in the suction, ducting, elbow and cyclone. Calculation of static pressure is based on the duct size.t = Total air flow of Dust collector. Q1 = Air Flow in first area. Q2 = Air Flow in second area. etc. Static Pressure is a loss due to the air flow pressure pickup area to exit the dust collector system.
What is the average cost per square foot to install roof? It depends on the type of roof. A single story low pitch asphalt shingle roof will cost around $40 - $80 per square (100 sq. ft.) to tear off and $75 - $100 per square to inst â¦ all new shingles.If the plywood sheathing underneath is damaged, it will cost extra, up to $50 per sheet replaced.hat is the average cost per square foot to install roof? It depends on the type of roof. A single story low pitch asphalt shingle roof will cost around $40 - $80 per square (100 sq. ft.) to tear off and $75 - $100 per square to inst â¦ all new shingles.
The Costs. The average maximum reported cost of red cedar shingle roofing in the United States is $8.87 per square foot. The average minimum reported cost of red cedar shingle roofing in the United States is $6.80 per square foot.When it comes to cedar roofing, red cedar is certainly the most popular option.However, it is also important to note that white cedar roofing shingles are available as well.he average minimum reported cost of red cedar shingle roofing in the United States is $6.80 per square foot. When it comes to cedar roofing, red cedar is certainly the most popular option. However, it is also important to note that white cedar roofing shingles are available as well.