Automated Unit Monarch | Oxford Automation Self Cleaning Filter or StrainerManual Unit Monarch | Oxford Manual Self Cleaning Filter or Strainer
Oxford Filtration Self Cleaning Filters

Automation & Manual Blade-type self-clean filters
These blade style self clean filters are used for the filtration of virtually all fluids from water to very high viscosity fluids where the filter is cleaned without the operator accessing the unit or even on a completely automatic basis with no operator involvement in the cleaning operation.

Oxford Filtration's innovative self-clean filter technology offers you improved output, greater efficiency and consistent quality in a cost-effective and reliable package which is supported by our excellent pre and after sales care.

Advantages & Features
  • Element cleaning without stopping or disrupting the fluid flow.
  • Element cleaning without fluid loss.
  • Fully enclosed system:
  • Suitable for virtually all fluids of all viscosity levels.
  • Available with cast iron head and steel bowl, or all stainless steel construction.
  • Available manual or fully automated operation.

Fully enclosed system:

  • No operator contact with the fluid - ideal for hazardous or sensitive applications.
  • No externally introduced contamination problems - increases confidence in the quality of the filtered product.
  • Clean operating area and easy environmental contamination control.

Automation option:

  • Eliminates operator involvement.
  • Optimises the cleaning frequency.
  • "Fit and forget" philosophy.
  • "Operational status" indication on the filter control panel.
  • Remote "operational status" indication feature.

Extensive range:

  • Working pressures to 14 Barg at 50C (lower pressure at a higher temperature)
  • High Pressure units up to 50 barg.
  • Working temperatures limited by seal material (state process conditions inc: temperature and pressure).
  • Choice of stainless steel or 'food compatible' plastic cleaning blades with 'wipe clean' technology.
  • Robust stainless steel elements with filtration ratings from 50 micron to 6mm (0.002" to 1/4").
  • Minimal maintenance costs.
  • 3 year material and workmanship warranty (excludes normal wear & tear).

The High Pressure (HP) Range

The High Pressure self clean filter is dimensionally and functionally similar to the Low Pressure self-clean filter but has a higher strength bowl retained by a flange. The High Pressure self-clean filter retains all the advantages of the Low Pressure self clean filter. The maximum working pressure of the

High Pressure self-clean filter is:

  • 50 bar for steel and stainless steel filters.
  • 20 bar for cast iron filters.
Monarch | Oxford Manual Self Cleaning Filter or Strainer

LP Range
The LPH self-clean filter is ideally suited to those applications where regular stirring of fluid is beneficial and very low product loss is essential.

  • Lift-out element and blade assembly for quick and easy change-over or cleaning
  • Paddle stirs the fluid on the ‘dirty’ side of the element allowing agitation of the product and restricting build up of solids on the bowl
  • Paddle directs the debris towards the discharge valve
  • Optional paddle to stir the fluid on the ‘clean’ side of the element
  • Self-draining at the end of a batch, minimising product losses
  • Optional heating jacket
  • High Pressure version available

Monarch | Oxford Manual Low Pressure Self Cleaning Filter or Strainer

Flow Chart for Blade Type Self-Clean Filters

The chart is for water (1cSt) flowing through a filter with an element coarser than 1000 microns. Multipy the pressure drop by the following factors for different element micron ratings and different viscosities.

 

Monarch | Oxford Automatic Self Cleaning Filter or Strainer element cleaning

Monarch | Oxford Automatic Self Cleaning Filter Diffential Pressure Chart

 

 

 

DEBRIS REMOVED BY THE
CLEANING BLADE AND SINKS TO
BASE OF THE BOWL READY TO
BE FLUSHED OUT OF THE FILTER
VIA THE DISCHARGE VALVE

Viscosity
Micron Size
(Centistrokes)
50
100
200
500
1000
1
1.5
1.2
1.13
1.08
1.0
50
3.6
2.75
2.4
2.2
1.75
200
5
3.67
3.16
2.84
2.1
500
6.2
4.5
3.8
3.35
2.4
1000
7.6
6
5
3.9
3.6
6000
34
27
22
18
17

Paint and coatings industry
Used as a fully automated quality control measure to ensure paint, ink , varnish etc is free of unwanted particulates in the process and filling lines. Used to replace paint bag filters, open sieves and other more labour intensive filtration methods.

Chemical industry
Used for filtering process chemical liquids on a automated basis to protect pipeline equipment, as a quality control measure and replacing more manual methods of filtration generally.

Paper industry
Frequently used for process water for example in the protection of spray nozzles on paper making machinery and also used on raw water intake and cooling water.

Power
Used on industrial water for cooling and the filtration of sealing water to increase the service life of turbine shaft seals.

Water industry
Used throughout the industry for straining of raw water usually before other finer filtration methods and on waste water treatment plant etc

Food
Used on suitable applications for example in the chocolate industry as a quality control measure and in the meat industry for process water filtration.

 
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