8/12/2019 Filter media - FilterTH

1/1

Copyright 2004 Donaldson Company, Inc.

LOW

HIGH Failure would cause severedamage to equipment, dangerto personnel ..........................................3Failure likely to cause hazards..............1Some hydraulic componenttest rigs..................................................0

LOW

HIGH

LOW

HIGH

Steel mill, plastic injection ..................5High volume production plant ..............3Mobile installations ..............................2Equipment not critical toproduction..............................................1

LOW

HIGH

Large piston pumps, hightorque motors........................................5Cylinders, servo valves,piston pumps ........................................3

Valves, subplate industrial....................2Manual valves, gear pumps..................1

HOSTILE

OPTIMAL

Hi-performance servo valves ................8

Industrial servo valves ..........................6Piston pumps, proportionalvalves ....................................................4Vane pumps, spool valves ....................3Gear pumps, manual &industrial valves ....................................2

Safety Liabilities

Economic Liabilities (Operational)The cost of downtime

Economic Liabilities (Components)The cost of component replacement

Component SensitivitySensitivity of components to contamination

EnvironmentClean areas & labs................................0General machine shops, lifts ................1Mobile plants ........................................2Foundries, drilling, miningunderground, die cast shops ................3

1

Find this form on our websiteat www.donaldson.com

ENVIRONMENT....................................

COMPONENT SENSITIVITY..................

COMPONENT LIABILITIES....................

OPERATIONAL LIABILITIES ..................

SAFETY LIABILITIES ............................

PRESSURE ............................................

LIFE EXPECTANCY................................

Your Total Score:

0-70 bar 1 3 3 41-1000 psi70-150 bar 1 3 4 51000-2200 psi150-250 bar 2 3 4 62200-3600 psi250-350 bar 3 5 6 73600-5000 psi350+ bar 4 6 7 85000+ psi

Pressure LIGHT MED HEAVY SEVERE

SEVERE

LIGHT Continuous operation at rated pressure

or lowerMedium pressure changes up torated pressureZero to full pressure, cyclic flow

Zero to full pressure with transientsat high frequency

PressureOperating & Duty Cycle

LOW

HIGH 0-1000 hours ..............................................01000-5000 hours ........................................15000-10000 hours ......................................210000-20000 hours ....................................320000+ hours..............................................5

Life ExpectancyService life required for components

M E D I A

If Your DonaldsonScore is: Advises:

22+ ............................#1 Media

17+ ............................#2 Media

15+ ............................#2 Media

10+ ............................#9 Media

9+ ............................#20 Media

3

STEP 3: Using the filter mediatable at bottom of page, findthe suggested Donaldson medianumber for your application.

STEP 2: Add the numbersfrom each category to getyour TOTAL score.

STEP 1: Using the formbelow, circle the numberin each category that bestdescribes your hydraulicapplication.

Guide to Selecting the Right Filter Media

T O T A L S

A P P L I C A T I O N Q U E S T I O N S

2

FilterTH.com