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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

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

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

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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.

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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

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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

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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

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Determine the relieving area needed for gas, vapor, and liquid scenarios. Sizing is based on “Alternate Sizing Method for Relief Valves”, ASME Pressure Vessel Code, Section VIII, Division I, App. XI. Includes steam table, common liquids and gases, as well as a specification sheet. Includes both English and Metric units of measure

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Determine the relieving area needed for gas, vapor, and liquid scenarios. Sizing is based on calculation of flow through an orifice. Includes common liquids and gases, as well as a specification sheet. Includes both English and Metric units of measure

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Calculate the necessary relieving area needed based on several circumstances including steam condensation, draining and pumpout, water spray, and inflows. Strenght of the vessel is taken into account . Includes both English and Metric units of measure

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Calculate the air flow required to dilute flammable mixtures to less than 25% of their lower flammability limit. Calculation is based on NFPA 30 1996 Edition, Flammable and Combustible Liquids Code. Includes both English and Metric units of measure

Calculate the pressure venting requirements for dust explosions based on VDI 3673, Part 1, November 2002. This a German technical document which is used to govern such requirements in many areas outside of the U.S.

Two calculations are included with this title:

1. Estimate the flash point of a flammable and inert material via Raoult's Law.

2. Determine Lower and Upper Flammability Limits of a flammable mixture via Le Chatellier's Law.