Northwest Dive Shop is an IDEST approved cylinder test center/station number 7H.

We are qualified and approved cylinder test Technicians and adhere to the applicable standards and strict code of conduct, practice and procedures as set down by IDEST. This ensures we conform to the highest level of professionalism and offer a quality service.

Our premises are inspected regularly and are equipped for inspecting and testing breathing gas and diving cylinders to BS EN 1802:2002, BS EN 1968:2002 and maintain cylinder valves to BS EN ISO 22434:2011. 

Cylinder Visual Inspection

These are carried out every 2.5 years. As the name implies a series of inspections and checks are carried out to assess internal and external corrosion, defects, bulges, cracks, general corrosion or any other condition which may render it unfit for another period of use. In addition, the walls are measured using an ultrasonic thickness gauge to ensure they meet the manufacturers’ specification. The cylinder neck threads are checked and assessed using a calibrated go and no go plug gauge. This procedure is also applied to the cylinder valve on both the outlet threads and the valve stem threads. The cylinder valve is also stripped and serviced. If the cylinder meets all the criteria and passes all the inspections and tests, it can now be returned to service.

The cylinder is stamped, stickered, the valve is reinstalled torqued, to the correct value using a calibrated torque wrench and filled with clean dry compressed air which meets the criteria of EN12021. Finally, the cylinder is checked for any leakages and is now fit for another period of use. As part of our quality assurance a certificate is prepared and given to the customer as a reference. 

Cylinder Hydrostatic Inspection

Once a visual inspection has been performed and the cylinder has passed all the tests, it is now possible to conduct a hydrostatic test. This test is carried out once every 5 years. In addition to the above tests it is then pressurized in a water jacket to check its expansion and a “permanent set” is ascertained. Once this is within accepted laid down limits it is deemed to have passed and can be returned to service as before, which includes a certificate which states the “permanent set”.

 

 

Service Centre Cylinder Testing Charges 2020

Cylinder Testing Charges  ( Parts/Kits not included)

Visual Inspection test VIP . cost Includes Valve service and air fill.

35

Hydrostatic Test. Includes VIP, Valve service & Air-fill

€45

Internal Rotary Shot Blast & wash ( full blast )

€10

Valve Service ( parts extra )

€15

 Failed Valve 

€5

Cylinders that fail their test  will be charged to be disposed of 

€10

 

 

Pillar valve service kits are not all the same and vary in price from €10 to €25 depending on model .

some of the older pillar valves you can no longer get parts for so in this instance a new valve has to be installed 

All cylinders that fail we be destroyed as per the regulations 

A deposit  is required when a cylinder is left in for test 

please pick up cylinders when you are advised of you cylinder completion and pass 

 

 

 

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