Specify the complete CEMS sample line

Bring sample requirements, temperature conditions and connection details into one Dekoron Unitherm application review.

Start with the system interfaces

A heated line is one part of an emissions sampling system. Its specification needs to connect the requirements at the probe with the conditions expected at the analyser or conditioning equipment. A tubing-family name alone does not describe that complete duty.

This PMA application record helps organise an enquiry for a new line or a replacement. Use it to identify confirmed requirements, missing information and the people responsible for reviewing each interface. It supports a project discussion; the selected assembly still needs its own drawings and installation instructions.

Illustrative PMA colleague reviewing a Dekoron tubing sample

Build a sample-line application record

Keep the requirement, its source and the reviewer together. Mark an unknown value as unknown rather than filling it with a typical catalogue value.

Sample and measurement duty

Identify the measurement system, sampling point and analyser inlet.
Record the sample composition and operating flow and pressure requirements supplied by the system designer.
State the required wetted material and any cleanliness or surface-treatment requirements.
Attach the analyser or sampling-system specification and identify who will confirm material compatibility.

Temperature and operating states

Record the required sample-transport temperature separately from the process inlet temperature.
Include normal operation, maximum exposure, start-up, shutdown and any cleaning or purge conditions.
Provide the design ambient conditions and proposed temperature-sensing and control arrangement.
Ask the system designer to confirm the acceptable transport conditions; do not select a maintained temperature from the heater’s maximum rating alone.

Route and end connections

Provide a dimensioned route, total length and the required connections at both ends.
Identify enclosure entries, supports, exposed sections and access for inspection or replacement.
Record available space and the bend requirements for review against the selected construction.
For a replacement, include the existing label, end-detail photographs and any changes to the original duty.

Auxiliary lines and responsibilities

List any calibration-gas, blowback or other auxiliary lines separately from the heated sample path.
Identify each tube or cable at both ends, including which components require heating.
Record electrical supply, area classification and required project documentation.
Identify the reviewers for the probe, line, controls and analyser interfaces so omissions have an owner.

Resolve the gaps before ordering

Turn the enquiry into a controlled project record, rather than a list of assumed product features.

Confirm the proposed assembly

Ask PMA to review the proposed construction against the recorded duty. Check the tube schedule, heater arrangement, sensing, terminations and supplied accessories together. Keep the manufacturer’s family options separate from the exact assembly offered.

The manufacturer line card includes dedicated CEMS constructions and options. It is a range overview, rather than confirmation that every option or approval applies to a particular enquiry.

Keep the acceptance basis visible

Record the drawing revision, agreed requirements, outstanding questions and planned checks before service. Define the acceptance criteria with the system designer and the site’s authorised procedures.

A tubing quotation does not by itself validate the complete emissions measurement system. Keep the review of transport conditions and system performance with the responsible project team.

A useful handover to PMA

Send the application record with the route drawing, interface specifications and replacement details where relevant. Highlight unresolved requirements and name the person who can confirm them. PMA can then review Dekoron options against the actual project duty.

Continue the specification review

Use the PMA product page for the tubing range and the manufacturer’s resources for published construction options.

Dekoron Unitherm at PMA

Review the available tubing families and discuss the documentation needed for your project.

Explore Dekoron tubing

Manufacturer construction options

The two-page line card includes CEMS options. Check the relevant family and confirm the supplied construction with PMA.

Line card (PDF)

Review with PMA Manufacturer overview

Let’s talk about your application.

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