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SENTRY TRW Single-Helix Sample Cooler

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SENTRY TRW

The SENTRY TRW single-helix cooler cools low-pressure boiler water samples; sold and serviced in Türkiye by Tetra.

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Installation, calibration, spare parts and service in Türkiye come from Tetra; cabinet and panel integration can be done at our İzmir facility.

Technical information

Tube (coil) rating
Up to 2000 psi, 850 °F (138 bar, 454 °C)
Body rating
Up to 250 psi, 450 °F (17 bar, 232 °C)
Surface area
0.11 m²
ASME stamp
Not available

TRW is a single-helix sample cooler whose small profile fits tight spaces, particularly on or near the boiler. It is suitable for low-pressure boiler water and flows below 1200 cc per minute. The sample flows on the tube side and cooling water on the shell side; the cooled sample is delivered to the laboratory or in-line analysis instruments.

Technical data

  • Tube: up to 2000 psi and 850 °F (138 bar, 454 °C).
  • Shell: up to 250 psi and 450 °F (17 bar, 232 °C).
  • Shell 304/304L; coil 1/4 inch 316/316L stainless steel; no alternative material offered.
  • Heat transfer surface 0.11 m²; no ASME stamp.
  • The helical design reduces cooling water consumption.

For work with higher pressure or ASME requirements, TLR, WSW, FSR or FLR models from the same family are considered.

Choosing TRW

This model is specified for low-pressure boiler water and has no ASME-stamped version. Applications requiring an ASME stamp or high flow need a different single-helix model.

Tetra checks whether TRW is sufficient by looking at the flow of the boiler water sample line, and otherwise directs you to a suitable model. Mounting, cooling water connection and later spare parts supply are carried out locally.

Spare parts and consumables

Write to us for spare parts and consumables; the Tetra service team supplies and replaces the right original parts for your instrument.

Ask about spare parts →

Products from SENTRY Equipment

SENTRY SENTRY TLR Series Sample Cooler (Heat Exchanger) SENTRY TLR sample coolers bring steam and water samples to a safe temperature for the analyzer. Sold, installed and serviced in Türkiye by Tetra. View → SENTRY SENTRY FLR, FSR and FXR Sample Coolers SENTRY FLR, FSR and FXR series sample coolers lower liquid and steam samples to analysis temperature. Sold and serviced in Türkiye by Tetra. View → SENTRY SENTRY BPRV and VREL Sample Line Pressure Regulators The SENTRY BPRV back pressure regulator and VREL pressure reducer protect sensors on the sample line. Sold and serviced in Türkiye by Tetra. View → SENTRY SENTRY TSV Thermal Shut-Off Valve SENTRY TSV is a mechanical valve that cuts flow when sample temperature exceeds the set value, protecting analyzer sensors. Sold and serviced in Türkiye by Tetra. View → SENTRY SENTRY TSR Series Sample Cooler The SENTRY TSR-4225 sample cooler cools water and steam samples for analysis. Sold, installed and serviced in Türkiye by Tetra. View → SENTRY SENTRY SL100 and SL200 Sample Conditioning Panels SENTRY SL100 and SL200 panels cool water and steam samples, reduce pressure and prepare them for online analyzers. Sold and serviced in Türkiye by Tetra. View →
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Tell us about your application; we will recommend the right model and configuration for the measuring point, process conditions and regulations.

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