
ThermaGuard Expandable Enclosures
- Expandable: 1, 2, or 3 instruments
- IP65-rated GRP construction
- Operates to -60°F with heated liner


IP65 Protection Standard
Class 1 Division 2 Rating
T6 Hazardous Area Rating
Industrial field instrument enclosures from Terrapin Industrial provide robust protection for process control instruments in extreme environments. Featuring patented expandable designs, IP65 ratings, and Class 1 Division 2 compliance, these GRP enclosures with optional heated liners maintain safe operating temperatures down to -60°F in oil and gas, petrochemical, and Arctic applications.


What temperature range can the ThermaGuard Expandable Enclosure handle?
With the ThermaGuard Heated Liner, the enclosure maintains above 75°F internally in environments as cold as -60°F/-51.1°C.
Is the enclosure rated for hazardous locations?
Can the enclosure be installed around existing instruments without taking them offline?
What instruments can be housed in a single enclosure?
How long does the heated liner's heater cable last?
What is the heat output range of the ThermaGuard Heated Liner?
What materials are used in the enclosure construction?
Talk to our experts for custom solutions and tailored guidance.

Protecting field instrumentation from extreme cold and hazardous conditions on upstream and midstream sites.

Housing process control instruments in classified hazardous areas requiring IP65 and T6-rated enclosure solutions.

Maintaining safe instrument temperatures down to -60°F in Arctic and sub-zero industrial installations.

Providing reliable enclosure protection for process instruments in outdoor power plant and utility environments.
Talk to our experts for custom solutions and tailored guidance.



Terrapin's patented expandable enclosure design installs in stages or pre-assembled, reducing total install time and cost by 30% without taking instruments offline.
The patent-pending ThermaGuard heated liner features a 30-year heater cable life expectancy—six times longer than traditional finned and block heaters—minimizing replacement costs.
IP65, Class 1 Division 2, and T6-rated solutions maintain safe operating temperatures to -60°F, purpose-built for Arctic, oil and gas, and petrochemical environments.
Submit your requirements and a Terrapin Industrial expert will respond promptly with specifications, pricing, and configuration guidance.
For immediate assistance, feel free to give us a direct call at (281)-615-1429 You can also send us a quick email at
For immediate assistance, feel free to give us a direct call at (281)-615-1429 You can also send us a quick email at