🔄 Closed Loop Ring Mains (Dual-Directional Flow Halving Air Velocity & ΔP PSI)

Closed Ring Main Air Header Calculator

Size closed-loop ring main piping headers for industrial production plants: calculate hydraulic advantages of continuous loops (feeding air from dual directions to effectively cut air velocity in half, slash friction pressure drop by 75%, and guarantee balanced terminal line pressure across distant point-of-use drops), and piping contracting profits.

1. Project & Operating Inputs

Plant Floor Perimeter Loop Length (Linear Feet e.g. 1,800 ft Loop)

Peak Connected Tool Airflow (CFM e.g. 1,200 CFM Peak Flow)

Customer Bid Price for Supplied & Connected Closed Loop Main ($)

3" Aluminum Pipe Loop, Ball Isolation Valves, Drop Tees & Pipefitters ($)

2. Financial Breakdown & Yield

CLOSED RING MAIN DISTRIBUTION

Turnkey Ring Main Header Contract Profit

Industrial Piping Contractor Margin

0.0%

Gross Revenue / Bill

Total Project CapEx

Operating / Material Cost