
ThermaGuard Expandable Enclosures
- IP65 dust & water protection
- Single, double, triple config
- Field-customizable entry ports


IP65 Protection Standard
IP66 Protection Standard
Class 1 Division 2 Rated
Signal Isolator Protective Housings by Terrapin Industrial include the ThermaGuard Expandable Enclosure and Heated Liner system. Designed for extreme cold, hazardous, and harsh industrial environments, these GRP and aluminum housings protect critical instrumentation in oil and gas, petrochemical, and process industries across North America.


What environments are ThermaGuard enclosures rated for?
They are IP65-rated and operate reliably in temperatures as low as -60°F/-51.1°C with the heated liner installed.
Can the enclosure be installed around live instruments?
What instrument configurations does the expandable enclosure support?
Is the heated liner suitable for hazardous area locations?
How long does the heater cable last in the ThermaGuard liner?
What heat output range does the ThermaGuard Heated Liner provide?
What material is the ThermaGuard Expandable Enclosure made from?
Talk to our experts for custom solutions and tailored guidance.

Protects field instrumentation in sub-zero Arctic and hazardous upstream and midstream oil and gas environments.

Houses process control instruments in petrochemical plants with hazardous area classifications and extreme temperatures.

Provides reliable enclosure solutions for process instrumentation requiring freeze protection and hazardous area compliance.

Delivers modular, heated enclosures for mining and heavy industrial sites exposed to harsh winter weather conditions.
Talk to our experts for custom solutions and tailored guidance.



Terrapin's patented expandable system allows enclosures to be installed around live instruments in stages, eliminating costly schedule breaks and downtime.
Pre-engineered entries, quick-connect mounting, and field-configurable ports reduce total installation time and cost by up to 30% versus traditional systems.
IP65-rated GRP housings with T6-rated heated liners maintain safe operating temperatures down to -60°F, protecting instruments in the harshest field conditions.
Submit your requirements and a Terrapin Industrial expert will respond quickly 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