AS NZS 3509:2009 pdf free

AS NZS 3509:2009 pdf free.LP Gas fuel vessels for automotive use
The diameter of an opening in an end shall not exceed 50% of the outside diameter of the vessel. The edge of any reinforced opening, or the edge of any reinforcement or welding thereto, shall be not closer to the outside circumference of the end than1 0% of the outside diameter of the vessel, measured perpendicularly to the axis of the end.
The height of branches, bosses, adaptors, or similar pressure-retaining parts shall be not greater than 25 mm, measured radially from the external profile of the shell to the highest point of the part, as shown in Figures 2.5 and 2.6.
Attachments shall be provided as required in accordance with AS/NZS 1425. Attachments shall be clear of longitudinal and circumferential joints and shall not prevent inspection of a pressure-retaining joint. Intermittent contact between an attachment and the vessel is permitted, i.e. by scalloped contact or attachment by ears, except where leak containment is a function of the joint.
Each vessel shall incorporate physical protection for its attached components. The protection provision shall be attached to the vessel in such a manner as would require the use of cutting implements or a unique tool for its removal, and shall be capable of withstanding, without permanent deformation, a static load of 150 kg applied from any direction to any position on the guard through a 75 mm square applicator plate. The protection guard shall be arranged so that no component will project beyond it (piping through the guard excepted).
Attachments to the vessel shall be tested by bending back by hammer blows, until they lie against the vessel surface. Any tearing or cracking of the pressure-retaining portion shall be cause for rejection of the design or process.
Mounting attachments shall not be welded directly to the shell. Where permanent attachments are provided they shall be attached to doubler pads which are not thinner than the shell or by other means which shall avoid point loading on the pressure container. The design and construction of mounting attachments shall be such that, when tested by bending back, no tearing or cracking of the pressure-retaining portion occurs. The mounting attachments shall comply with the strength requirements of AS/NZS 1425.AS NZS 3509 pdf free download.