AS 2337.3:2020 pdf download

09-03-2021 comment

AS 2337.3:2020 pdf download.Gas cylinder test stations Part 3: Transportable gas cylinders – Periodic inspection and testing of composite cylinders (ISO 11623:2015, MOD).
4 Due dates for periodic inspection and testing
A cylinder shall be due for periodic inspection and testing on its first receipt by a filler after the expiry of the due date.
NOTE There is no general requirement for the user to return a gas cylinder before the contents have been used even though the test interval has lapsed.
When the design life has expired, the cylinder shall not be refilled and shall be removed from service when presented for the next filling (see Clause 13).
In some jurisdictions, it is the responsibility of the owner or user to submit cylinders used for emergency purposes for periodic inspection and testing within the specified interval.
5 Procedures for periodic inspection and testing
5.1 List of procedures
The inspection, testing and repair of composite cylinders shall be carried out only by persons competent in the subject to ensure that the cylinders are fit for continued safe use. Care shall be taken to ensure that during the retest procedure, cylinders are handled carefully, particularly with respect to loading in and out of metal pallets, and ensuring cylinders are not dropped to cause any damage.
Each cylinder shall be submitted to periodic inspection and testing. The following procedures form the requirements for this periodic inspection and testing and are explained more fully in this International Standard:
— Identification of cylinder and preparation for periodic inspection and testing (see Clause 6);
— External visual inspection (see Clause 7);
— Safe removal of valve (see 8.1);
— Internal inspection and cleaning (see 8.2);
— Pressure test (see Clause 9);
— Leak test (see Clause 10);
— Inspection of valve (see Clause 11);
— Final operations (see Clause 12); and
— Rejection and rendering cylinders unserviceable (see Clause 13).
The external and internal visual examination (see Clauses 7 and 8) shall be carried out prior to the pressure test (see Clause 9). It is recommended that the other tests are performed in the sequence listed above; however, when a valve is removed, ISO 25760 shall be observed.
Cylinders that fail inspection or testing shall be rejected (see Clause 13). When a cylinder passes the above-listed procedures but the condition of the cylinder remains in doubt, additional testing shall be performed to confirm its suitability for continued service or the cylinder shall be rendered unserviceable. Depending on the reason for the rejection, cylinders may be recovered and/or repaired (see 7.4).
5.2 Heat exposure
When cylinders are refurbished during periodic inspection, it might be necessary to expose them to heat, for example, during initial cleaning, or as part of a stoving operation when painting or powder coating the cylinder. This heat exposure can affect the mechanical properties of the liners and/or the finished composite cylinder.AS 2337.3 pdf download.

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