Under the Pressure Systems Safety Regulations 2000, all hydraulic
accumulators over a certain age must now be tested periodically.
The Hydraulic Centre recommends that they are tested and
certified every five years from new.
Users and owners of pressure systems are required to demonstrate
that they know the safe operating limits of their systems, and that
the systems are safe under those conditions. They need to ensure
that a suitable Written Scheme of Examination is in place before
the system is operated, and that the pressure system is examined
in accordance with the Written Scheme of Examination.
The Hydraulic Centre now offers a full Accumulator Testing
Service to meet these regulations. We are fully approved by Fawcett
Christie to carry out this work.
Fawcett Christie Hydraulics Ltd are the leading UK supplier
and manufacturer of accumulators. The Hydraulic Centre have
been supplying Fawcett Christie products for many years and
our engineers have now been trained by them to carry out tests on
accumulator shells.
Planned Maintenance Programme
Your Written Scheme of Examination will contain records
of when your accumulators were tested and we can therefore inform
you, in time to plan the maintenance process, before the existing
certification expires.
Volumetric Expansion Stretch Test Rig
The Hydraulic Centre has built and installed a
unique test rig based on a Fawcett Christie design. The test rig
is based on the preferred Water Jacket method and enables bladder
type accumulators from 0.5 litres up to 54 litres to be tested.
 Full
Service Details
Our unique, comprehensive service includes all of the
following:
- Strip paintwork
- Visual check of specification and outer casing
- Dismantling and removal of old bladder accumulator
- Testing of the casing on our volumetric stretch rig to the Pressure
Systems Safety Regulations 2000
- Installation of new bladder
- Reassembly
- Full oil test on one of our hydraulic test rigs
- Re-paint
- Fitting of specification and testing label
Full Service Details
All bladders we supply and fit during the testing process,
carry a full manufacturers warranty for a period of two years (subject
to meeting correct operating conditions).
Bladder Accumulators
All bladders we supply and fit during the testing process,
carry a full manufacturers warranty for a period of two years (subject
to meeting correct operating conditions).
Piston Accumulators
We can also undertake the repair and re-certification
of piston accumulators.
These undergo the same rigorous procedures as bladder type accumulators.
We can accommodate accumulators up to 29 cm diameter by 214 cm long
in the Volumetric Expansion Stretch Test Rig.
For larger accumulators we carry out an hydrostatic test which conforms
to the Pressure Systems Safety Regulations 2000.
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