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SENTRY Cobra HTHV High-Temperature and Viscosity Sample System

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SENTRY Cobra HTHV

SENTRY Cobra HTHV provides safe closed sampling from high-temperature and viscous process liquids. Sold and serviced in Türkiye by Tetra.

Request a quote → SENTRY Equipment product page ↗

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

Technical information

Model
Cobra HTHV, Cobra Model C
Wetted part material
316 stainless steel, Grafoil
Maximum value (one version)
1500 psi @ 750 °F (103 bar @ 400 °C)
Process connection
3/4" female NPT or 1" Class 300 RFSO flange

SENTRY Cobra HTHV (High Temperature High Viscosity) is a closed sampling system that allows samples to be taken into a bottle with operator safety from process liquids flowing at high temperature and high viscosity (such as heavy petroleum products). It is used at refineries and petrochemical plants to take laboratory samples from heavy product lines.

The system includes a BigBore (0.25" orifice) Cobra valve and an enclosure with a stainless steel body, viewing window and sample container shelf. The enclosure is mounted on a 2" pipe stand and carries a drain valve; the family also includes the Cobra Model C cylinder sample system.

Cobra HTHV features

  • 316 stainless steel wetted parts, Grafoil packing; BigBore 0.25" orifice valve
  • In one version: 1500 psi @ 750 °F (103 bar @ 400 °C), minimum temperature -40 °F (-40 °C)
  • In the other version: 515 psig @ 400 °F (35.5 barg @ 204 °C), flange-limited; 1" Class 300 RFSO flange
  • Process connections 3/4" female NPT inlet and return
  • Enclosure with viewing window and sample container shelf; 316 stainless steel drain valve

If you provide the process temperature, pressure and product viscosity, Tetra will determine the suitable Cobra configuration.

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

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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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