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Equipment Servicing Rates
Normal Air Servicing Price
Cylinder ServiceHydrostatic Test ( incl air fill ) $55.00
Internal rumble ( rust removal ) start from: $30.00
Valve Service ( Parts not included )
Standard Value Service Complementary
Burst Disk Replacement $30.00
Manifold with Isolator $30.00
Regulator Service
1st and 2nd Stages - Labour only ( excl alternate ) $95.00
( regulator service kits additional - call for pricing )
Alternate air source ( octopus ) $40.00
BCD's Service
Power inflator and dump valves $50.00
Power inflator and dump valves - I3 BCD $60.00
Air Source $25.00
Computer Battery Change
Labour $20.00
Suunto D-series ( Battery included ) $90.00
Oxygen Cleaning Servicing
Cylinder Service
Oxygen Clean ( incl rumble ) $30.00
Nitrox wrap ( sticker ) $15.00
In-test sticker $5.00
Valve Service ( incl Viton O-Rings )
Standard Value $10.00
Manifold with Isolator $20.00
SCUBA CYLINDERS
Two Main Considerations
- Keep Water Out
- Have it tested regularly
1. Keep Water Out
It is so important to keep the inside of any cylinder dry, especially steel tanks. Both steel and aluminum are subject to internal oxidation. This process contaminates the air in the tank and weakens the metal.
Aluminium oxidation is a minor problem. The oxication forms a thin layer over the aluminium but this protects the underlying metal from further oxidation. However, the white powdery residual is not good for your regulators. The tank itself is usually not damaged and can be cleaned.
Steel oxidation or rust is much more serious. This process continues deep into the metal.
2. Have it Tested Regularly
In Australia, under Australian Standards 2337 and 2030.1, all cylinders used for scuba diving, are required to meet Australian standards, are required to have a
Hydrostatic Test every 12 months.
All tanks fatigue over time. This is due to cylinders being filled with high pressure air continually. A hydrostatic test involves pressurizing the cylinder with water to usually 5/3 of its working pressure, to test the integrity of the cylinder. Depending on the size of the cylinder determines the limits needing to pass the cylinder, all regulated under the Australian Standards.
Any cylinders that are deemed to fail must be disposed of correctly. Using defected cylinders can can serious injury and even death.
Diveline is a test station meaning we can conduct hydrostatic testing in house. Each test station has its own unique test station number and is registered under the Australian standards. This test station number and the month and year are stamped on your cylinder at the time of the hydrostatic test. Then you have 12 months to use it before needing testing again.
Diveline gets audited annually on our procedures to ensure we are following these Australian standards required.
Not all tanks pass!
Pre 91 Aluminium tanks are no longer being filled by certified operators. Certain pre 91 cylinders were made from aluminium compound 6351 which showed signs of fatigue. These have blown up on people, causing death and losss of limbs. For this reason dive shops will not fill any pre-91 tanks.
Reasons for tank failure include
- Rust and corrision (if the tank is 5% less than its tare weight)
- Dents, pits, cracks and / or damage to the cylinder that may jeopardise its safety
- Fail the hydrostatic test.
- Pre 91 Aluminium Tanks
By taking care of your cylinder you'll be rewarded with many years of safe, trouble-free service. Protect it from damage and never abuse or modify it. Neglecting the cylinder could result in irreversible deterioration and a potential threat to personal safety.
Maintenance Tips
- Wash your cylinder in fresh water and dry after each use.
Storage Tips
- Store with about 20 Bar of air
- Stand is upright, if any moisture/water is inside and oxidation occurs the walls of the tanks are the thinnest part of the cylinder.
At Diveline Scuba Centre for a hydrostatic test and complimentary valve clean, the
COST is (Above) plus any additonal costs.
Additional costs include:
- O-rings in the valve that need to be changed
- Internal Rumble of the cylinder due to rust build up
- Dissambling of twin sets
- Failing of scuba cylinders
- Any other additional works (varies)
Enriched Air Clean - Additional costs include:
- O2 clean and rumble and O2 clean sticker
- O2 Cylinder Sticker
REGULATORS
Regulator servicing is necessary as its vital for supplying you air underwater. A regulator is made up of moving parts. Anytime you have parts, components deteriorate. In your regulator, you have o-rings, diaphragms, nuts, connecting hoses, all that work under high pressure. Therefore regular servicing is required to maintain good working regulators.
For most divers, diving is conducted in salt water, which gives rise to salt crystals. Salt crystals if not washed out after use, can harden and build up in connections on regulators, make components seize, causing major issues including replacements of whole stages.
If regulators are not serviced for more than 3 years, chances are you will incur more costs to your next service bill. Reasons for this are o-rings and diapragms deteriorating, which are replaceable. Nuts, connections and other components seizing.
BCD's
Salt crystals if not washed out after use, can harden and build up in connections on BCDs, especiallly on the dump valves, low pressure inflator connectors, and zips. Washing both inside and out is suggested, if not it causes major issues.