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Placement of Exchange cylinders

DISTANCES TO SOURCES OF IGNITION *This dimension is measured from the top of any cylinder valve DIMENSIONS IN METRES
The hazardous areas illustrated in Figures E1 are taken from AS/ΝZS 60079.10.1. The examples provided are not complete and other situations and requirements that may be relevant to LP Gas installations are also provided in AS/ΝZS 60079.10.1. Hazardous Areas:
Make sure that sources of ignition are outside the zone as shown in the above diagram. Sources of ignition include
A source of energy sufficient to ignite an explosive atmosphere.
NOTΕ: Εxamples of ignition sources include naked flames, exposed incandescent material, electrical welding arcs, mechanical or static sparks, and electrical, electronic or mechanical equipment not suitable for use in hazardous locations.


* This distance is measured from the top of any cylinder valve

Cylinders shall be install in accordance with the following requirements

  • Cylinders shall be installed on a firm, level, non- combustible base, not resting on soil. The floor or base shall be constructed so that water cannot accumulate within any enclosure or recess.
  • Any cylinder shall be restrained to prevent failing
  • A cylinder shall be installed so that the pressure- relief valve is in contact with the vapour space and any discharge from this valve is directed away from any adjacent cylinders or combustible structures
  • A cylinder intended to be exchanged or removable shall be connected to a fixed piping system.
  • Where 2 or more exchange cylinders are connected for use, a means shall be provided to permit the cylinder to be isolated from the gas supply, to allow the cylinders to be disconnected either by a manual or automatic changeover valve shall be installed immediately upstream of the regulator serving the system.
  • Must be fixed rigidly to an adequate support that is independent of the cylinders and mounted with the diaphragm vertical and the vent pointing vertically downwards