Combustible Dust Testing

Laboratory testing to quantify dust explosion and reactivity hazards

Safety Data Sheets

Develop critical safety data for inclusion in SDS documents

Gas and Vapor

Laboratory testing to quantify explosion hazards for vapor and gas mixtures

Classification of hazardous materials subject to shipping and storage regulations
Testing and consulting on the explosion risks associated with devices and processes which use or produce hydrogen
Safety Data Sheets

Develop critical safety data for inclusion in SDS documents

Thermal Stability

Safe storage or processing requires an understanding of the possible hazards associated with sensitivity to variations in temperature

Adiabatic Calorimetry
Data demonstrate the consequences of process upsets, such as failed equipment or improper procedures, and guide mitigation strategies including Emergency Relief System (ERS) design
Reaction Calorimetry
Data yield heat and gas removal requirements to control the desired process chemistry
Battery Safety

Testing to support safe design of batteries and electrical power backup facilities particularly to satisfy UL9540a ed.4

Safety Data Sheets

Develop critical safety data for inclusion in SDS documents

Cable Testing
Evaluate electrical cables to demonstrate reliability and identify defects or degradation
Equipment Qualification (EQ)
Testing and analysis to ensure that critical equipment will operate under adverse environmental conditions
Water Hammer
Analysis and testing to identify and prevent unwanted hydraulic pressure transients in process piping
Acoustic Vibration
Identify and eliminate potential sources of unwanted vibration in piping and structural systems
Gas & Air Intrusion
Analysis and testing to identify and prevent intrusion of gas or air in piping systems
ISO/IEC 17025:2017

Fauske & Associates fulfills the requirements of ISO/IEC 17025:2017 in the field of Testing

ISO 9001:2015
Fauske & Associates fulfills the requirements of ISO 9001:2015
Dust Hazards Analysis
Evaluate your process to identify combustible dust hazards and perform dust explosion testing
On-Site Risk Management
On-site safety studies can help identify explosibility and chemical reaction hazards so that appropriate testing, simulations, or calculations are identified to support safe scale up
DIERS Methodology
Design emergency pressure relief systems to mitigate the consequences of unwanted chemical reactivity and account for two-phase flow using the right tools and methods
Deflagrations (Dust/Vapor/Gas)

Properly size pressure relief vents to protect your processes from dust, vapor, and gas explosions

Effluent Handling

Pressure relief sizing is just the first step and it is critical to safely handle the effluent discharge from an overpressure event

FATE™ & Facility Modeling

FATE (Facility Flow, Aerosol, Thermal, and Explosion) is a flexible, fast-running code developed and maintained by Fauske and Associates under an ASME NQA-1 compliant QA program.

Mechanical, Piping, and Electrical
Engineering and testing to support safe plant operations and develop solutions to problems in heat transfer, fluid, flow, and electric power systems
Hydrogen Safety
Testing and consulting on the explosion risks associated with devices and processes which use or produce hydrogen
Thermal Hydraulics
Testing and analysis to ensure that critical equipment will operate under adverse environmental conditions
Nuclear Safety
Our Nuclear Services Group is recognized for comprehensive evaluations to help commercial nuclear power plants operate efficiently and stay compliant
Radioactive Waste
Safety analysis to underpin decomissioning process at facilities which have produced or used radioactive nuclear materials
Adiabatic Safety Calorimeters (ARSST and VSP2)

Low thermal inertial adiabatic calorimeters specially designed to provide directly scalable data that are critical to safe process design

Other Lab Equipment and Parts for the DSC/ARC/ARSST/VSP2 Calorimeters

Products and equipment for the process safety or process development laboratory


Software for emergency relief system design to ensure safe processing of reactive chemicals, including consideration of two-phase flow and runaway chemical reactions


Facility modeling software mechanistically tracks transport of heat, gasses, vapors, and aerosols for safety analysis of multi-room facilities


Our highly experienced team keeps you up-to-date on the latest process safety developments.

Process Safety Newsletter

Stay informed with our quarterly Process Safety Newsletters sharing topical articles and practical advice.


With over 40 years of industry expertise, we have a wealth of process safety knowledge to share.

Recent Posts

High Pressure VSP2 Calorimetry – A Unique Technique to Get Needed Data

Posted by Fauske & Associates on 10.13.21

By Mr. Gabe Wood, Fauske & Associates

The versatile Vent Sizing Package 2 (VSP2) was originally developed as the DIERS Bench Scale Apparatus in 1985 until it was commercialized by FAI in 1987 as the VSP. This low thermal inertia calorimeter is capable of simulating a small scale reactor due to its effective stirring and multiple fill ports for metered or shot additions. The VSP2 collects temperature and pressure data over time to determine the temperature and pressure rise rates of a runaway chemical reaction as a function of temperature and these rates are directly scalable to large production vessels due to the low phi factor.

VSP2 Super Heater for High Pressure and Temperature Operation

The standard VSP2 containment vessel has a maximum allowable working pressure (MAWP) of 1900 psig. To operate safely, test pressures are usually limited to 1400 pounds of pressure. This is sufficient to collect low thermal inertia vent sizing data for most processes. However, some processes do operate at higher pressures, or a closed system test may be needed on non-condensable gas-generating chemistry where a much higher pressure capability is required to study the entire reaction. For these unique cases, we have the ability to convert our standard VSP2 system into a high pressure system. A 5,000 psig containment vessel is used along with a modified solenoid control box for pressure balancing and a high pressure nitrogen cylinder. This system is now capable of safely testing up to 4,000 psig, while still using the same lightweight VSP2 test cells which allow for the collection of low thermal inertia data which are optimal for relief system design. To accommodate for heat losses associated with high pressures, an additional super heater (see picture) is employed to provide the desired adiabatic conditions, even at high temperature and pressure.

This high pressure capability along with test data will be discussed in a presentation given at the upcoming Fall DIERS meeting Friday, October 15 (10:45-11:15am eastern) titled High Pressure Calorimetry Testing in a Low Thermal Inertia VSP2 System. Gabe Wood, Senior Chemical Engineer at Fauske & Associates, LLC.

Please contact us at to discuss this technique and how it can be employed.

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Topics: VSP2


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