💥 NFPA 68 / NFPA 652 (Deflagration Index Kst, Max Explosion Pmax, Vent Area Av)

Combustible Dust Explosion Vent Calculator

Size flameless and rupture-panel deflagration explosion relief vents on industrial dust collectors and silos handling combustible dusts (wood, aluminum, sugar, flour, plastics) under NFPA 68 & NFPA 652: calculate required vent relief area (A_v based on dust explosion severity Kst bar-m/s and maximum pressure Pmax), and combustible dust compliance margins.

1. Project & Operating Inputs

Dust Collector Enclosures Protected (Vessel Count e.g. 6 Industrial Collectors)

Dust Deflagration Index (Kst bar-m/s e.g. 185 Kst Class St-1 Dust)

Customer Bid Price for Supplied & Certified Flameless Vent Panels ($ / Unit)

BS&B / Fike Flameless Explosion Vents, Burst Sensors, Structural Flanges ($)

2. Financial Breakdown & Yield

NFPA 68 EXPLOSION VENTING

Turnkey Explosion Venting Package Profit

Combustible Dust Safety Contractor Margin

0.0%

Gross Revenue / Bill

Total Project CapEx

Operating / Material Cost