Pall SUPRAdisc Instructions page 3

EN
1. INTRODUCTION
The following procedures must be followed for
the installation of SUPRAdisc modules.
These instructions as well as the product data
sheet should be read thoroughly as they con-
tain valuable information gained by extensive
experience. It is very important that all instruc-
tions are carefully followed and, where appropri-
ate, should be incorporated into the operator's
standard operating procedures.
If some of the procedures do not suit your needs,
please consult Pall or your local distributor before
finalizing your system.
Use of this product in a manner other than in
accordance with Pall's current recommendations
may lead to injury or loss. Pall cannot accept
liability for such injury or loss.
2. SPECIFICATIONS
The maximum working pressure and temperature
may vary between filter style and filter media.
Please check the appropriate data sheet for de-
tails or contact Pall or your local distributor.
Operation outside the specifications and with
fluids incompatible with construction materials
may cause personal injury and result in damage
to the equipment. Incompatible fluids are those
which chemically attack, soften, stress attack
or adversely affect the materials of construction.
Please refer to the Chemical Compatibility
Guide USTR 2305.
3. RECEIPT OF EQUIPMENT
(a) Store the filter in clean, well vented, odorless
and dry conditions between 0 °C (32 °F) and
45 °C (110 °F) without exposure to irridiation
sources like direct sunlight, and wherever
practical in the packaging as supplied.
(b) DO NOT remove from packaging until prior
to installation.
(c) Check that the bag and packaging are un-
damaged prior to use.
(d) Ensure that the type of filter selected is suit-
able for the application. In addition to the
partnumber, each filter assembly is identified
by a unique identification batch number.
(e) The SUPRAdisc modules should be used
within a period of 36 months after production.
Exception: BIO SD modules must already
be used within 18 months after production.
4. INSTALLATION AND OPERATION
SUPRAdisc modules are high quality products
manufactured to exacting standards. It is essential
to take care when handling and installing them
into filter housings.
Before installation, it is essential to verify that
the filter type selected is suitable for the fluid to
be filtered, and to follow the instructions listed
below.
(a) It is recommended to wear gloves to prevent
accidental contamination of the filter.
(b) The installation and operating instructions
supplied with the filter housing should be
followed carefully.
c) For a safe installation of the modules it is
recommended to use the corresponding
lifting/inserting aid.
(d) The housing must be completely de-aerated
(e) Open the filter units only in a pressureless
condition.
(f) SUPRAdisc Modules contain nominally rated
depth filter sheet media. For processes
where microbiological stability is the target,
it is recommended to use membrane cartridge
filters qualified for microorganism reduction
or pasteurization as final process step.
4.1 Double O-ring style SUPRAdisc modules
Ensure that O-rings are undamaged and are cor-
rectly positioned in the groove.
Check that the sealing surface on the filter housing
is clean and undamaged.
To assist ease of fitting, it is strongly recommend-
ed that O-rings be lubricated by dipping the gas-
kets in a suitable liquid which is compatible with
the fluid to be filtered.
Water with the same quality as that used for final
rinsing of the installation is a satisfactory lubricant
in many cases. For advice on other lubricants,
please contact Pall.
Low boiling point lubricants (e.g. ethyl or isopropyl
alcohol) must not be used if the installed filter is
to be subsequently steam sterilized or exposed
to temperatures above the boiling point of the
lubricant. The high vapor pressures between
the O-rings under these conditions can result in
damage to the O-ring adaptor.
Insert the SUPRAdisc modules with a gentle
twisting motion to assist wetting of the surfaces.
Gently ease into place. Do not attempt to force
the modules into position.
Finally, twist the modules clockwise to engage
the retaining lugs within the filter head.
4.2 Flat gasket style SUPRAdisc modules
Ensure that gaskets are undamaged and correctly
fitted into modules grooves at each end.
Check that sealing faces on housing and seal
nuts are clean and undamaged.
No wetting of gaskets is required.
Slide SUPRAdisc modules over tie rod and se-
cure in place with seal nut and HAND TIGHTEN.
Then turn the tightening sleeve 3 times per in-
stalled module.
5. RINSING
Depending on the application, rinsing with cold
or warm water in a forward flow direction is
recommended prior to putting the SUPRAdisc
modules into operation. In special cases rinsing
can be carried out with product or a product-
compatible liquid. The recommended rinsing
volume is 50 L/m of filter area (for SUPRAdisc
2
HP modules 100L/m ).
2
The recommended flow rate for the rinsing cycle
is 1.5 times the process flow rate with a maxi-
mum temperature of 85 °C (185 °F).
6. REGENERATION
SUPRAdisc 1:
SUPRAdisc 1 Modules can only be used in
the forward flow direction. This applies to all
processes including rinsing, regeneration,
sanitization and filtration. Reverse mechanical
impact causes damage to the filter sheet media.
Pressure spikes from downstream of the filter
or Vaccum after steaming must be avoided. The
use of check valves downstream (on the filtrate
side) of the housing is recommended.
SUPRAdisc II:
SUPRAdisc II Modules are designed to withstand
flow in both directions. Regeneration of the sheet
media may be enhanced with a backwash pro-
cedure. If reverse flush procedures are employed,
Pall recommends the use of a backwash device.
Please contact Pall for ordering information for
the backwash device.
When the backwash devices are installed in
combination with the SUPRAdisc II modules, it
is possible to cold water rinse the modules in
the reverse direction up to a maximum of 0.5 bar
dp. To avoid pressure shocks, check valves are
recommended downstream (on the filtrate side)
of the housing.
6.1 Steam in place
Please refer to the appropriate Pall product
information literature for products which can be
steam sterilized in place. Detailed sterilization
procedures can be found in Pall publication
USD 2299.
Product and back pressure surges must be
avoided during flushing, steaming or filtration
in order to avoid damage and to achieve optimal
use of the SUPRAdisc modules.
In order to avoid injuries from escaping steam
or hot water, it is imperative to observe the cor-
responding safety and protection measures.
7. EC DIRECTIVE 94/9/EC (EQUIPMENT
FOR USE IN POTENTIALLY EXPLOSIVE
ATMOSPHERES, ATEX)
SUPRAdisc modules comply with the ATEX di-
rective when installed in a compliant Pall filter
housing or assembly, but are not in themselves
required to be labeled with the ATEX marking.
Under the terms of the directive, filter modules
are not considered to be equipment capable of
autonomous function, but may be thought of as
components being essential for the operation of
the equipment. As such, the conformity of the
filter modules has been assessed as an integral
part of the overall assembly.
7.2 Hot water Sanitization
SUPRAdisc Modules can be sanitized with hot
water. This sanitization is best done following
the hot water rinsing step described in 5.
The hot water temperature should be adjusted
to > 85 °C on the outlet pipe of the housing.
When 85 °C is reached, circulate hot water for
25 - 30 minutes.
8. FILTER MODULE REPLACEMENT
SUPRAdisc modules should be replaced accord-
ing to the GMP requirements of the process.
Where filters are used for more than one manu-
facturing batch, replacements are recommended
when the maximum allowable differential pres-
sure has been reached, (refer to appropriate Pall
datasheet) or when the flow rate has become
unacceptable, whichever occurs first. Discard
filter in accordance with local Health and Safety
and Environmental Procedures. No attempt should
be made to clean disposable filter modules.