Unfortunately, the gas industry continues to have a history of incidents whether gas leakage, explosion, fire and carbon monoxide poisoning. The later has understandably received much attention and many devices and alarms are available to warn and prevent carbon monoxide from effecting inhabitants in homes and poorly ventilated areas.
More recently, explosion and fire have been in focus. The HSE and UK LP Gas associations have re-drafted guidance to the Gas Safety in Use Regulations in document L56 with a view to tackle safety from over pressurisation of pipework and appliances in case of regulator failure at the Gas cylinder, primarily due to poor installation practice leading to corrosion, foreign body ingress and Cylinders falling over, just some of which are factors that can cause a regulator to fail.
To explain, gas cylinders contain LP gas propane and or Butane at much higher pressures than used at the appliances, so a gas pressure reduction “regulator” needs to be fitted between cylinder and appliances. If a malfunction occurs, then a pressure hundreds of times higher will pass to the appliances and pipework, resulting in potential gas leakage, fire or explosion.
Unlike electricity where as standard, safety trip switch devices are fitted, LP gas cylinder regulators have no requirement unless using 4 cylinders or more, however today HSE recognise that even with one or two cylinders the risk is exactly the same and so recommend that protection in the form of over pressure is fitted as standard.
Pictured (above right) is an example of what can happen if a regulator on a Gas Cylinder installation fails resulting in sever leakage, and if ignited, Fire.
The new range of cylinder pressure regulators from Clesse, have been launched to address the recommendations and forthcoming installation standards BS6891. Each is fitted with CSR (consumer Safety Reset) device and ready to meet new installation requirements specified by British Standards and the HSE. The CSR is much like an electrical trip switch, designed for consumer to have visual indication and the ability to reset, this will combat any problems associated with the regulation of gas pressure and guard against high pressure passing through to the appliances.
Cylinder mounted versions (pictured left) showing OPSO (Over Pressure Shut Off) CSR button , plus protective cover ensuring the diaphragm vents are weather protected against water ingress, and protecting the CSR button against accidental impact when the cylinders are changed.
The HSE document L56, published in 2013 recommends that all Gas cylinder fixed pipework installations should be fitted with an OPSO, and from these recommendations a review of British Standards BS6891 is about to be published. Our recommendation is that consumers should now be installing the CSR regulator system on all LP gas cylinder installations to be in line with the recommendations of HSE and to British Standards.
Managing Director of Clesse UK, Kaz Dziamarski says “This is a major step in aligning LP gas with other forms of energy in relation to safety and how the consumer interacts with gas equipment.
We have designed CSR in much the same way as electrical fuse boxes have RCD protection. Visual indication provides clear OPSO activation and is reset by the push to reset button which activates the Gas flow, as would be done on an electrical RCD. If the device keeps tripping then call the approved gas installer to check out the gas system, LP gas is now safer than ever before”
All models are now available to suit every installation type from direct cylinder mounted to wall mounted Automatic Changeovers (pictured right).
Manual changeover and Dual Cylinder versions are also available to complete the range, all having the standard patented CSR OPSO system.
Each is boxed with informative distinctive CSR packaging promote the benefits to consumers and installers. All are available now from Clesse Approved distributers.
For more information about the product and to find an approved Clesse distributer, visit our website www.clesse.co.uk