Flammable Liquids

Now here is why bonding and grounding falls well short of being all the precautions we need when transferring NON-CONDUCTIVE FLAMMABLE LIQUIDS.  Bonding and grounding takes into account that we are equalizing the energy levels between the containers and therefore the static will not be released to the differently charged container.  This works when it…...

I know H2 is not a flammable liquid, but this shows how little it takes to set off a vapor or gas cloud…. Membership Required You must be a member to access this content.View Membership LevelsAlready a member? Log in here...

If you have a non-conductive flammable liquid and you are passing them through a filter, the hazard associated with static electricity generation can be up to 300X greater. This actually goes with any type of obstruction in the pipe/hose (orifice plate, partly opened valve, flow probe, etc). If you must have a filter/strainer in your…...

The most common generators of static electricity are processes involving flammable liquids. Static electricity is generated by liquids flowing through pipes, and in mixing, pouring, pumping, filtering, or agitating liquids. The rate of generation is influenced by the conductive of the liquids, the amount of turbulence in the liquid, the interfacial surface area between the…...

Here is the condensed version of what NFPA 2113 requires when FRC are determined to be needed: The organization shall define those facilities and areas of the workplace and tasks that require personnel to wear flame-resistant garments.  Organizations shall provide users with the instructions provided by the manufacturer on the care, use, and maintenance of…...

So far I have tried to explain how a vapor cloud develops by discussing Flash Point, Vapor Density, etc. Now I would like to explain how a vapor cloud develops and just how LITTLE energy is needed to be an ignition source.  If you ever experience a spill of a flammable/combustible liquid and the temperature…...

I want to touch a bit more on two of the elements I mentioned in my original post…Vapor Density and Lower Explosive Limit (sometimes called Lower Flammable Limit).  Vapor Density is basically the weight of the vapor or gas in air. It tells us whether the gas/vapor will rise or fall when it flashes off…...

On November 29, 2010, State Police Detectives assigned to the Office of the State Fire Marshal were requested to respond to the scene of a fire that had occurred at Coventry High School, 78 Ripley Hill Rd. Coventry.  Investigators determined that a propane company was refilling two 120 gallon propane cylinders outside a fully-occupied cafeteria of the…...

These two (2) videos from the Solvent Industry Association (SIA) in the United Kingdom and the European Solvents Industry Group (ESIG) are by far the best series of videos on the practice of bonding and grounding.  They can be found on the internet for non-members, but SAFTENG members can watch them below.  SPECIAL NOTE:  in…...

History has shown that flammable vapor ignitions in a number of cases have been proven to reside in mobile equipment working in or around a facility. “Industrial Loader and Forklift Fires,” an NFPA report published in January 2009, states that between 2003 and 2006, an average of 1,340 fires were ignited by heat or ignition…...