Filtration

Perform a Cat Fines Test for Sail or no Sail Indication

Perform a a Cat Fines Test for Sail or no Sail - Cat Fines Test Kit - Parker  Hydraulic and Industrial Process Filtration Division EMEA

Cat fines can still remain undetected in heavy fuel oil (HFO) and consequently enter the marine engine system, even when the ignition and combustion characteristics of fuel have been tested and proven to meet specifications, potentially causing a total loss of propulsion. 

 

 

Fuel quality concerns

Perform a a Cat Fines Test for Sail or no Sail - Cat Fines retained by Fuel Filter - Parker  Hydraulic and Industrial Process Filtration Division EMEA As more emission control areas (ECAs) come into operation, there are growing concerns around fuel quality and the number of engine wear situations related to cat fines are increasing. Research has shown that even small cat fine particles of below 10 microns contribute to significant wear. Incidences of excessive cylinder liner wear have been recorded even though the bunkered fuel oil was within the limits of the ISO 8217:2005 specification, which dictates a maximum of 60 ppm. This is why cat fines are causing such problems for shipowners.

 

Early warning for corrective steps

The Parker Cat Fines Test Kit provides early forewarning of these destructive particles and gives a vessel’s crew maximum opportunity to take corrective steps. The Cat Fines Test has been designed to flag HFO samples that may be contaminated with dangerous levels of cat fines before the fuel has even been pumped aboard. This simple, wet chemistry, on-board test identifies the presence of abrasive silicon and aluminium fines in HFO. The test is simple to perform, cost-effective and can be completed within a few minutes. Experimental results demonstrate that the new test is capable of identifying those fuel samples that have a cat fine concentration of > 60 ppm (Al + Si), and which therefore exceed the limit recommended by ISO 8217:2012. In fact, the test has been specifically designed to provide the crew with a clear sail or don’t sail indication with regards to fuel quality. 

 

Performing a cat fines test

Perform a a Cat Fines Test for Sail or no Sail - Cat Fines Test Kit - Parker  Hydraulic and Industrial Process Filtration Division EMEA

The test kit (FG-K30566-KWCat Fines Test Kit) contains:

Centrifuge and Power Supply
Reagent Alpha
Reagent Beta
Cat Fines Test Fluid Bottles ( 25)
Safety Goggles and Gloves
Pipettes ( 25)
5 ml Syringe ( 50)10 ml Syringe (25)
Cat Fines Centrifuge Tubes (50)
100 ml Beakers (2) 


NOTE: Read all instructions before beginning the test.
CHECK: Centrifuge power switch is ‘ON’ - switch on the rear of the machine.
CHECK: The speed set to ‘F’ (Fast) - switch on the underside of the machine.
SAFETY: Test tubes must be in opposite positions in the centrifuge.
SAFETY: Immediately stop the use of the centrifuge if it suffers damage or impact.

 

Step 1

Perform a a Cat Fines Test for Sail or no Sail - Cat Fines Setp 2 - Parker  Hydraulic and Industrial Process Filtration Division EMEA First, fill a test tube to the 5 ml graduation line with water and close the cap fully.
 

 

 

Step 2

Fill a second test tube to the first (0.5 ml) graduation line with Reagent Alpha using a 5 ml syringe.

 

 

 

Step 3

Perform a a Cat Fines Test for Sail or no Sail - how to position tubes in centrifuge holder - Parker  Hydraulic and Industrial Process Filtration Division EMEA Place the tubes in opposite positions on the centrifuge holder.

 

 

 

Step 4

Perform a a Cat Fines Test for Sail or no Sail - Cat Fines Test Step 4 - Parker Hydraulic and Industrial Process Filtration Division EMEA Add 3.6 ml of Reagent Alpha to a Cat Fines Test Fluid Bottle using a 5 ml syringe. The 100 ml beakers can be used for decanting the reagent.

 

 

 

 

 

Step 5

Perform a a Cat Fines Test for Sail or no Sail - Cat Fines Test Step 5 - Parker Hydraulic and Industrial Process Filtration Division EMEA Add 10 ml of Reagent Beta to the same Cat Fines Test Fluid Bottle using a 10 ml syringe, ensure the liquids separate. 

 

 

 

 

 

Step 6

Perform a a Cat Fines Test for Sail or no Sail - Cat Fines Test Step 6 - Parker Hydraulic and Industrial Process Filtration Division EMEA Completely fill a second 5 ml syringe with HFO by drawing the plunger back to the stop very slowly.

 

 

 

 

 

Step 7 

Add all the HFO from the syringe to the Cat Fines Test Fluid Bottle.

 

 

 

Step 8

Perform a a Cat Fines Test for Sail or no Sail - Cat Fines Test Step 8 - Parker Hydraulic and Industrial Process Filtration Division EMEA Replace the cap and shake the bottle vigorously for 3 minutes  

 

 

 

 

Step 9 

Remove the cap from the bottle and use a pipette to extract some of the mixture 

 

 

 

Step 10

Remove the test tube containing 0.5 ml of Reagent Alpha from the centrifuge.


 

 

Step 11

Perform a a Cat Fines Test for Sail or no Sail - Cat Fines Test Step 11 - Parker Hydraulic and Industrial Process Filtration Division EMEA Gently lower the pipette into the test tube until it lies just above the Reagent Alpha. 

 

 

 

Step 12

Very slowly add the mixture until the 5 ml line is reached (refill the pipette as required).

 

 

 

Step 13

Close the cap on the test tube and return it to its position opposite the water-filled tube.

 

 

 

Step 14 

Perform a a Cat Fines Test for Sail or no Sail - Cat Fines Test Step 13 - Parker Hydraulic and Industrial Process Filtration Division EMEA Ensure the centrifuge lid is firmly shut. Spin the tubes for 15 minutes. (push timer down to start).

 

 


 

 

 

 

Step 15 

Use the picture below to decide whether the HFO has significant ( > 20 ppm ) cat fine contamination.

Perform a a Cat Fines Test for Sail or no Sail - Cat Fines Test Step 15 - Parker Hydraulic and Industrial Process Filtration Division EMEA

NOTE: The ISO 8217:2012 limit for acceptable levels of Cat Fines in HFO is 60 ppm.

 

Watch the video to follow along with the steps:

 

 

 

Please visit Parker Engine Mobile Hydraulic and Fuel Filtration Division for more information.

 

Related content:

Optimising Feed Rate in the Fight Against Cold Corrosion

The Importance of Condition Monitoring to Your Business

Fuel Switching: Monitoring to Prevent Damage

Fuel Monitoring Matters

How to Prevent Damage in Marine Fuel Systems From Cat Fines

How to Perform a Cold Corrosion Test for Cylinder Oil

 

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