Duct Calculation Slide Rule (ACCA Ductulator)
Duct Calculation Slide Rule (ACCA Ductulator)
Regular price
$57.00 USD
Regular price
Sale price
$57.00 USD
Unit price
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per
23 in stock
This durable two-sided plastic sizing wheel comes with a complete instruction manual for residential and commercial duct-sizing procedures.
Uses:
– Sizes metal ducts, lined metal ducts duct board airways, and wire helix flexible ducts.
– Converts round shapes to equivalent rectangles.
– Correlates available pressure with total effective length and friction rate (Manual D sizing calculations).
– Converts velocity into velocity pressure and vice versa.
– Corrects for altitude and temperature.