💡 NSF 55 Class A (40 mJ/cm² Dose), 254nm Low-Pressure Amalgam Lamps & GPM

Commercial UV Water Disinfection Calculator

Size commercial ultraviolet (UV) germicidal water disinfection systems under NSF 55 Class A: calculate UV dose (40 mJ/cm² for 4-log pathogen inactivation), feed water UV Transmittance (% UVT at 254nm), quartz sleeve maintenance, and water treatment dealer margins.

1. Project & Operating Inputs

Peak Flow Rate (Gallons / Minute - GPM e.g. 60 GPM)

Water UV Transmittance (% UVT e.g. 85% UVT)

Customer Bid Price for Commercial UV Chamber ($)

316L SS Reactor, Amalgam Lamps, Ballasts & Labor ($)

2. Financial Breakdown & Yield

NSF 55 CLASS A UV DISINFECTION

Turnkey UV System Profit

Water Treatment Dealer Margin

0.0%

Gross Revenue / Bill

Total Project CapEx

Operating / Material Cost