Gas cylinder security devices

LPCB offers certification of gas cylinder security devices to:-

  • LPS 1175 Requirements and testing procedures for the LPCB approval and listing of intruder resistant building components, strongpoints, security enclosures and free-standing barriers.

The approval covers the resistance to unauthorised removal of gas cylinders provided by the security devices when installed and maintained in accordance with the approved instructions.

 

While previous versions of the standard specified six levels of resistance (security ratings), the latest versions (Issues 6 and 7) specifies eight security ratings. These range from opportunist (1 minute attacks using easily concealable hand tools) up to extreme methods of attacks (20 minute attacks using a wide range of hand tools, power tools and thermal cutting equipment).

Further details of the grading system can be found in LPS 1175, copies of which can be downloaded free of charge here.

The approval does not cover the resistance to unauthorised operation of the gas cylinders when secured by the devices listed.

Product Selection

When selecting a gas cylinder security device, check that the product’s approval covers the types and sizes of cylinders to be secured, the compatible locking systems listed and the substrates to which the devices may be fixed in order to provide secure anchorage - all can affect the level of security provided by the product.

To enable selection of the most appropriate product for the desired application, the listing defines the gas cylinders that are covered by the scope of approval in terms of the supplier, supplier reference and following dimensions:

 

 

 

 

 

 

 

 

 

 

 

 

Key

ha = Height of cylinder, including foot ring and neck ring and/or valve cap
hb = Height of cylinder to base of neck ring
hc = Height of cylinder to edge of shoulder
hd = Height of foot ring
da = Diameter at base of neck ring/valve cap
db = Diameter of cylinder

To achieve the security ratings:

  • the gas cylinder security devices must be installed in accordance with the manufacturer’s instructions;
  • all locks must be fully engaged and deadlocked; and
  • all exposed fixings, the substrate onto which each device is fitted and the locking mechanism(s) must be regularly checked to ensure they are in good condition and that they have not been tampered with.

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