根据相关规定:普通通风风管及空调风管分为三类:低压、中压、高压,低于500Pa为低压,500-1500为中压,高于1500为高压
风管厚度与压力及边长有关.
边长≤320mm:中低压厚度0.5mm,高压厚度0.75mm
320<边长≤630:中低压厚度0.6mm,高压厚度0.75mm
630<边长≤1000:中低压厚度0.75mm,高压厚度1mm
1000<边长≤1250:中低压厚度1mm,高压厚度1mm
1250<边长≤2000:中低压厚度1mm,高压厚度1.2mm
2000<边长≤4000:中低压厚度1.2mm,高压厚度按设计