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30
AC20 - 0908
www.pnr.eu
COMPLEMENTARY PRODUCTS
SELF-CLEANING FILTERS
We provide industry with small, medium and large size filters designed according to our customers’ specific requirements for
several applications, mainly in the chemical and food industry and whenever a safe treatment of fluids is necessary.
Our supply includes the filter design, in compliance with the most important norms like PED and ASME, manufacturing and
final site commissioning for medium and large size filters only.
All our filters are normally manufactured in AISI 304 and 316L stainless steel for chemical compatibility with most fluids. Their
design makes them highly suitable to be used in severe conditions and to withstand frequent cleaning cycles with no wear.
Their cover is fit with bolts or swivel clamps while an o-ring ensures that the assembly is perfectly watertight .
All parts, including the filter legs, are electro-polished to avoid any point of corrosion.
SELF-CLEANING FILTERS / SINGLE CARTRIDGE
Our range of standard self-cleaning filters is designed to satisfy the majority of industrial applications: flow rates range from 50
to 1000 cubic meters/hour and micron ratings from 2000 to 50 microns may be selected to match the design operating conditions
of most critical processes with outstanding performances in terms of reliability and cost effectiveness.
Housings are normally manufactured in AISI 304 or AISI 316L and equipped with viton, EPDM or teflon o-rings; PVC housings
are available on request to withstand longer service time with corrosive fluids .
The inlet and outlet flange can be positioned with 90° offset angles, according to the feeding line layout.
Idle time between consecutive cycles, drainage valve opening time as well as the ratio between drainage and cleaning cycles
can be easily selected from the command module. Filters are delivered with pre-set parameters according to the specific
application they are requested for.
Fill in the data collection questionnaire on page 32 and send it to your nearest PNR distributor to get an answer for all your
process filtering needs.
Maximum operation pressure
Maximum operation temperature
LP
LT
10 bar g
80° C
CUSTOM-MADE FILTERS
With our range of available filtering elements and materials as well as our experience and know-how in designing and
manufacturing sophisticated parts, we can quote and produce functional solutions for virtually all filtration problems.
Every special construction is defined after a careful and attentive examination of Customer’s data and requirements and designed
in full compliance with the applicable international norms for pressure vessels. Final manufacturing is made only after our
drawings have been approved by the Customer.
Finally we commission our filters on site and issue a Commissioning Report.
Fill in the data questionnaire on page 32 and send it to your nearest PNR distributor to get the answer to your process filtering
needs.