FILTERS
FILTERS <ul><li>INTRODUCTION </li></ul><ul><li>PURPOSE </li></ul><ul><li>LOCATION </li></ul><ul><li>PARTS </li></ul><ul><l...
WHAT IS A FILTER? - AN ACCESSORY  - FITTED IN A FLUID SYSTEM - TO ENSURE CLEAN SUPPLY OF THE WORKING  FLUID  - THROUGH FIL...
PURPOSE OF FILTERS -  TO PREVENT ENTRY/ FLOW OF INSOLUBLE  SUBSTANCES  (e.g.  DIRT/ DUST/ WATER/ FOREIGN OBJECTS)   -  WIT...
WHAT IS THE EFFECT OF UN-FILTERED SUPPLY OF WORKING FLUID? <ul><li>.  WEAR/ TEAR OF   </li></ul><ul><ul><li>. FINE-FINISHE...
WHAT IF THE FILTER IS DAMAGED/ ABSENT? <ul><li>INITIALLY,   </li></ul><ul><li>- ADVERSELY AFFECTED OPERATION OF THE SYSTEM...
WHERE IS FILTER LOCATED? <ul><li>-  AT THE OUTLET OF THE STORAGE TANK </li></ul><ul><li>- GENERALLY BEFORE/ AFTER A PUMP A...
PARTS OF A CONVENTIONAL FILTER <ul><li>- INLET PORT </li></ul><ul><li>- FILTER BOWL/ BODY </li></ul><ul><li>- FILTERING EL...
GENERAL FEATURES FLOW RATE  & PRESSURE RATING DEPEND ON SURFACE AREA EXPOSED TO FLOW FILTERATION CAPACITY  DEPENDS ON FILT...
TYPES OF FILTERS <ul><li>FILTERS ARE CLASSIFIED AS PER </li></ul><ul><li>- SYSTEM IN WHICH THEY ARE USED </li></ul><ul><li...
COMMON TYPES OF FILTERS <ul><li>- LOCKHEED MICRONIC FILTERS </li></ul><ul><li>- VOKE’S FILTERS </li></ul><ul><li>- TECALEM...
TYPES OF FILTERS FILTER SYSTEM DIRECTION  OF  FLOW FILTERING MEDIUM WORKING PRESSURE FLOW  RATE LOCKHEED MICRONIC  FILTER ...
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Filters

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Filters

  1. 1. FILTERS
  2. 2. FILTERS <ul><li>INTRODUCTION </li></ul><ul><li>PURPOSE </li></ul><ul><li>LOCATION </li></ul><ul><li>PARTS </li></ul><ul><li>IMPORTANT FEATURES </li></ul><ul><li>TYPES </li></ul><ul><li>RECALL TABLE </li></ul><ul><li>SHARING OF EXPERIENCE ON FLIGHT SAFETY </li></ul>
  3. 3. WHAT IS A FILTER? - AN ACCESSORY - FITTED IN A FLUID SYSTEM - TO ENSURE CLEAN SUPPLY OF THE WORKING FLUID - THROUGH FILTERATION ACTION
  4. 4. PURPOSE OF FILTERS - TO PREVENT ENTRY/ FLOW OF INSOLUBLE SUBSTANCES (e.g. DIRT/ DUST/ WATER/ FOREIGN OBJECTS) - WITH THE WORKING FLUID - INTO/ THROUGH THE FLUID SYSTEM
  5. 5. WHAT IS THE EFFECT OF UN-FILTERED SUPPLY OF WORKING FLUID? <ul><li>. WEAR/ TEAR OF </li></ul><ul><ul><li>. FINE-FINISHED INTERNAL PARTS </li></ul></ul><ul><ul><li>. WORKING SURFACES </li></ul></ul><ul><li>. SYSTEM STARVATION (i.e. PARTIAL/ COMPLETE STOPPAGE OF FLUID FLOW) DUE TO </li></ul><ul><li>. RESTRICTED/ BLOCKED FLUID PASSAGES </li></ul>
  6. 6. WHAT IF THE FILTER IS DAMAGED/ ABSENT? <ul><li>INITIALLY, </li></ul><ul><li>- ADVERSELY AFFECTED OPERATION OF THE SYSTEM </li></ul><ul><li>CAUSES A LOSS OF SYSTEM-PERFORMANCE . </li></ul><ul><li>SUBSEQUENTLY, </li></ul><ul><li>- SYSTEM FAILURE IS CAUSED DUE TO FLUID-STARVATION/ MECHANICAL FAILURE. </li></ul>
  7. 7. WHERE IS FILTER LOCATED? <ul><li>- AT THE OUTLET OF THE STORAGE TANK </li></ul><ul><li>- GENERALLY BEFORE/ AFTER A PUMP AS PER THE SYSTEM DESIGN </li></ul><ul><li>- AT THE ENTRY OF FINE CORED PASSAGES </li></ul>
  8. 8. PARTS OF A CONVENTIONAL FILTER <ul><li>- INLET PORT </li></ul><ul><li>- FILTER BOWL/ BODY </li></ul><ul><li>- FILTERING ELEMENT </li></ul><ul><li>. FILTERATION MEDIUM </li></ul><ul><li>. REINFORCEMENT SUPPORT </li></ul><ul><li>- O- RING(S) / SEALS </li></ul><ul><li>- CLOGGING INDICATOR CUM BYPASS VALVE </li></ul><ul><li>- OUTLET PORT </li></ul><ul><li>- FILTER DRAIN PLUG/ BLEED VALVE </li></ul>
  9. 9. GENERAL FEATURES FLOW RATE & PRESSURE RATING DEPEND ON SURFACE AREA EXPOSED TO FLOW FILTERATION CAPACITY DEPENDS ON FILTERING MEDIUM AND ITS THICKNESS DIRECTION OF FLOW DEPENDS ON DESIGN FILTER
  10. 10. TYPES OF FILTERS <ul><li>FILTERS ARE CLASSIFIED AS PER </li></ul><ul><li>- SYSTEM IN WHICH THEY ARE USED </li></ul><ul><li>- PRESSURE/ FLOW RATING </li></ul><ul><li>- FILTERING CAPACITY </li></ul><ul><li>- FILTERING MEDIUM </li></ul><ul><li>- DIRECTION OF FLOW </li></ul><ul><li>- MAKE </li></ul><ul><li>NOTE : FILTERS ARE IDENTIFIED BY PART NUMBER AND/ OR SERIAL NUMBER. </li></ul>
  11. 11. COMMON TYPES OF FILTERS <ul><li>- LOCKHEED MICRONIC FILTERS </li></ul><ul><li>- VOKE’S FILTERS </li></ul><ul><li>- TECALEMIT FILTERS </li></ul><ul><li>- PUROLATOR FILTERS </li></ul><ul><li>- WIRE GAUGE FILTERS </li></ul>
  12. 12. TYPES OF FILTERS FILTER SYSTEM DIRECTION OF FLOW FILTERING MEDIUM WORKING PRESSURE FLOW RATE LOCKHEED MICRONIC FILTER FUEL OUT TO IN 55-60 PAPER DISCS MOUNTED ON BOLT OR SHAFT - - VOKE’S FILTER OIL IN TO OUT FELT REINFORCED WIRE GAUGE 125 PSI - FUEL OUT TO IN FELT REINFORCED WIRE GAUGE 100 PSI (TYPE-A) 300 GAL/HR 250 PSI (TYPE-B) TECALEMIT FILTERS OIL OUT TO IN FELT REINFORCED WIRE GAUGE - - PUROLATOR FILTERS FUEL/ OTHER FLUIDS OUT TO IN ROLLED WIRE WOUND ON FRAME - - WIRE GAUGE FILTERS FUEL/ OIL/ AIR OUT TO IN/ IN TO OUT WIRE MESH - -

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