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TH  | EN
 
Application

Heat Transfer Fluid




Recommendation (Regular Routine Oil Analysis)
Sampling Quantity
Sampling Location/Point

Sampling Frequency

Oil Analysis Report

Turaround Service Time
Example of Oil Analysis Report

Technical Articles and Case Study Related to this application

Department of Industrial Works, Minstry of Industry

 

Heat Transfer Fluid in system units degrade over time due to thermal cracking
and oxidation.

The rate of fluid degradation can be influenced by :-

  • Improper operating procedure / condition
  • Equipment layout/malfunction
  • Contamination (moisture and other material)
  • Etc.

Recommendation ( Regular Routine Oil Analysis):

Basic Package

HeattransferCheck818

Premium Package

HeattransferCheck819


All Tests below are for HeattransferCheck™818

Corrosive, Rust and Wear Metal
Elements - condition

  • RDE Fine Wear Metals-18 elements

Fluid Condition and Saftey in Use Condition

  • Oil Condition ; oxidation, nitration
  • Viscosity @ 40 °c
  • TAN (Total Acid Number)

    Safety in Use Condition

  • Flash Point -closed cup D3828
  • Flash Point-open cup D92
  • Fire Point-open Cup D92


Contamination Condition

  • Oil Contamination ; dirt & dust
  • %Moisture & Water by T-H2OCheck
  • Gravimetric Analysis
    (or pentane insoluble)


  • Report with interpretation


All Tests below are for HeattransferCheck™819

Corrosive, Rust and Wear Metal
Elements - condition

  • RDE Fine Wear Metals-18 elements

Fluid Condition and Saftey in Use Condition

  • Oil Condition ; oxidation, nitration
  • Viscosity @ 40 °c
  • TAN (Total Acid Number)

    Safety in Use Condition

  • Flash Point -closed cup D3828
  • Flash Point-open cup D92
  • Fire Point-open Cup D92
  • Auto-Ignition Temperature (AIT) E659

Contamination Condition

  • Oil Contamination ; dirt & dust
  • %Moisture & Water by T-H2OCheck
  • Gravimetric Analysis
    (or pentane insoluble)

 

  • Report with interpretation



Product Data & Service Sheet of Heattransfer™818 and Heattransfer ™819
 
* Wrong oil contamination can be detected in case BASELINE data will be available

Note: The above recommended test package will be guidline ,the suitable test package may be vary depend upon right application, environment severity,critical factor, machine age ,and so on.

Test Description

Oil Sample Quantity: 250 ml.

Oil Sampling Location/Point

  • Follow OEMs recommended sampling location / point
  • In the absence of OEMs guidelines , recommended below for general guidance for sampling point /location

Possible location/point and technical concerns will be

  • Good sample shall be the most representative of the heat transfer fluid system.
    and
  • Good sample must be taken from a live part /zone of the system.
    and
  • Good location from which to take sample include a low -point drain near the pump or heater
    or the blow-down valve mounted on the Y-strainer. The Y-strainer is usually located in the return line just upstream of the pump suction.

  • Ideally, the fluid sample shoud be taken from the system between 80 c (176 f ) to
    130 c (266 f ).
    and/or
  • To take the sample after the system has been on standby (the pump's still running but the
    fluid has cool down)
  • If the fluid sample is too hot , it will not only smoke but also the acid number may be
    indicate artificial high acid level due to oxidation during the sampling process . As well as
    this practice is considerably safer .


Picture 1 Double Drop Leg with back pressure control on by-pass



Picture 2 Dearator with Thermal Buffer Tank and 3-way control valve

Note:

  • Make sure that the pump has been running so that the sfluid you sample is truly representative
    of the fluid in the heat trasnfer fluid
  • Flushing the valve properly in order to remove excess contaminants.
  • Samples taken from the expansion tank ,or from a dead leg/zone are not representative of the system.

Sampling Tools & Devices

Sampling Techniques

Sampling Frequency

  • Initially , follow OEMs recommended sample interval for your equipment
  • In the absence of OEMs guidelines , recommended below for general guidance in establishing sample interval.
  • In general , recommend to take sample every 6 month

Reports

HeatTransferCheck™ Oil Analysis Report provide :-
  • Display an easy-to-read and understand.
  • Information for wear condition ,lubricant condition and contamination.
  • Interpretation and recommendation of the result . Option for Bilingual.
  • Color coded display of overall condition for present sample and history condition of previous sample.



  • Color coded problem highlights.
  • Provide new oil or reference oil for comparing result and as baseline.
  • Publish Alarm Limit range of the equipment and oil.
  • Comprehensive trending graph of most parameters.
  • HeatTransferCheck™ Oil Analysis offers reporting options via internet, email and fax.


Turnaround Time Service

The report is typical available within 2-3 working days of sample receipt at FocusLab's labortory.

Examples of report

Remarks: Oil samples (after completion of testing) will be retained in our laboratory for approx 60 days ,just in case of in-depth testing and/or any future purpose.

 

Technical articles and case study related to this application

Department of Industrial Works, Minstry of Industry

Thailand Law and Regulation

 

 


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