Central or Deck Mounted Eye and Eye/face Wash - Do your Eye and Eye/face Wash Outlets Perform like this?
Many varied plumbed emergency eye and eye face wash designs have been available to the Australian market over the years. Primarily these have been of three key design types:
- Deck mounted outlets opposing one another with converging flushing streams flowing toward the center of the bowl; and
- Centrally mounted internal of the bowl with inverted converging flushing streams; and
- No bowl with inverted converging flushing streams.
However today the innovation of AXION® MSR performance through its ground breaking Patented designs, sees the emergency response landscape being changed significantly from that which has been historically available in Australia, by offering the only Medically Superior Response® solution in the industry.
This revolutionary inverted diverging flow design is the only product on the market that provides a Medically Superior Response® consistent with all EMT (Emergency Medical Technician), emergency room and doctors’ office protocols by sweeping contaminants away from the vulnerable nasal cavity. Traditional eyewashes irrigate from the outside edge of the eye back toward the nose, where contaminants can then be flushed into the nasal cavity through the lacrimal punctum, nature’s ocular cavity drain.
The eyewash streams provide Zero Vertical Velocity™ stream engineering with even laminar flow for enhanced comfort, stability and effectiveness.
When AXION® MSR is compared to traditional converging eyewash streams it is found that:
- Deck mounted converging designs can be heavily pressure and flow dependent in order to deliver balanced flow; and
- Inlet piping configurations can result in pressure drops causing imbalance in the flow patterns between the left and right side of the converging flushing streams; and
- Flushing streams may struggle to rise to approximately equal heights; and
- May in fact not meet the AS4775 test gauge requirements.
The impacts of this are truly tested when “simultaneous operation” of an emergency combination shower is assessed. Once the eye or eye/face wash has been actuated, an immediate and sudden negative change in pressure occurs when the emergency shower is operated simultaneously. This can result in an immediate pressure drop at the eye or eye/face wash outlets leaving them starved of flow with the emergency combination shower failing to comply with AS4775-2007.
As greater awareness builds of the risks associated with outdated, underperforming or in some cases, non-conforming installed emergency eyewash / shower combinations, evidence based research additionally shows that they may also be a breeding ground for Legionella, Pseudomonas and Acanthamoeba. These are organisms that exist in stagnant and untreated water and are known to cause infections.
There are significant health risks associated with inhaling aerosols that may contain organisms such as Legionella which are not simply confined to cooling tower or healthcare water systems. Those eye or eye/face wash designs that use aerators pose a potential risk to the user in poorly maintained systems due to aerosols they may generate.
Today, laminar flow streams are the proven and preferred way to reduce risk and protect worker health, especially where the potential for and / or the presence of Legionella is identified.
Haws® AXION® MSR trademarked inverted laminar flow streams help minimize workplace health and safety risk as not only do they duplicate the methodology recommended and used by medical professionals by gently flushing contaminants away from sensitive glands and ducts that surround the eye but also lessen the risks posed by aerosol creation.
Contact All Valve Industries on +61 2 8543 9811 or visit www.allvalve.com.au