Safety Design and Venting

Allowable Dust Accumulation (NFPA)

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This workbook calculates the allowable volume of dust buildup for an area per NFPA 654 - TIA 06-1 (03-01-2011). Worksheets for single or multiple sources of dust accumulation using metric or imperial units.

Dust Filter Volume Calculator

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This workbook calculates the Dirty Air Volume in Drum and Cam-Vac type dust control filters. Input in imperial units, output in metric and imperial. There is also an area to input inspection/verification data which calculates the dust concentration in grams/cubic meter.

L/D Ratios for Cyclone and Baghouses (NFPA)

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This workbook calculates the Length to Diameter Ratio of Cyclones and Baghouses with various explosion vent configurations per NFPA 68 (2007). L/D is used when sizing explosion venting. Input in imperial units, output in metric and imperial.

Battery Ventilation Requirements

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Calculate the ventilation requirements needed for compliance with NFPA 50A (Gaseous hydrogen at consumer sites) and NFPA 70 (National Electric Code). Includes both English and Metric units of measure

Venting of Dust and Hybrid Mixtures

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Design calculations for enclosures and ducts for deflagrations of dusts and hybrid mixtures. Method in accordance with NFPA 68 Guide for Venting of Deflagarations 2007 Edition. Includes necessary properties for many common bulk solids. Includes both English and Metric units of measure

Venting of Gas Mixtures and Mists

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Design calculations for enclosures and ducts for deflagrations of gas mixtures and mists. Method in accordance with NFPA 68 Guide for Venting of Deflagarations 2007 Edition. Includes necessary properties for many common gases. Includes both English and Metric units of measure

Risk Assessment of Components and Systems

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Use the tool to help predict the lifetime and reliability of components and systems including pressure switches, solenoid valves, indicators lamps, batteries, and much more. A complete list can be found in the preview. Calculated results include failures per year, reliability factor, failure probability, and mean time between failures.

Fire Venting and Thermal Expansion Requirements

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Calculate the venting requirements for storage tanks used for holding flammable liquids and gases. Calculation basis is NFPA 30 Flammable and Combustible Liquids Code and API Practice 520. Contains data for horizontal, vertical, spherical, and flat bottom tanks as well as physical properties for common liquids and gases. Also included is a hydraulic expansion calculation commonly used for shell and tube heat exchangers and other equipment. Includes both English and Metric units of measure

Rate of Temperature Rise at Pump Shutoff

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Easily find the temperature rise per minute for a given liquid at pump shutoff. Includes properties for common liquids. Includes both English and Metric units of measure

Noncompressible Flow Through a Hole

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Calculate the distance from a vessel that liquid would be expected to leak in the event that a hole were to develop in the shell of a the vessel. Also calculates the drain time for the tank. Calculation includes orifice coefficients and specific gravities for common fluids. Includes both English and Metric units of measure