Our MI cable technology for heating solutions can withstand the harshest conditions: high radiation, vacuum or high pressure, aggressive media, high temperatures, high watt density...
When the environment does not permit standard heating solutions, we can offer our services to design a specific heating solution. Our team is used to making designs to match your specifications for:
- Construction standards (mechanical: ASME,YVL, KTA, RCC-M, RCC-MR, RCC-MX, RCC-MRx electrical: KBE, RCC-E, TBE, IEEE )
- CATIA thermal and mechanical modeling
PRZ (Pressurizer) heaters
Pressurizer heater
Applications
- Pressurizer heaters for new-build NPPs (Nuclear Power Plants)
- PRZ heaters for NPP retrofit
- PRZ heaters for test loops
- High watt bundles to simulate transience in test loops
Key parameters:
- Excellent heat conduction
- High watt density up to 40W/cm²
- Various pressure and heat resistant connector designs
- More solid construction than cartridge heaters
- Outer Diameter from 17 mm to 31.7 mm
- Length from 0.5 up to 12 meters
- Connectors up to 260°C, pressure tested up to 260 bars
Product features:
- Unique proprietary manufacturing process for heating solutions
- 30 years’ operational experience, more than 10,000 PRZ heaters supplied
- Failure rate 3 times lower than conventional technologies
- Double barrier system to reduce contamination risk
- Proprietary solutions to prevent IGSCC (Stress Corrosion Cracking)
- Available for any pressurizer dimensions for vertical or horizontal mounting
- In-depth knowledge of design using FEA simulations to determine and confirm thermal, electrical and mechanical construction.
- Designed and manufactured according major construction standards (ASME, KTA or RCC-M)
- 1E qualification possible. New configurations qualified by similarity or testing.
Fuel pin simulators
Applications
- Material characterization of nuclear reactor fuel rods
- Experiments to reproduce core coolant circulation in steady state, transient and accident conditions
- Simulation of various fuel designs
Key parameters:
- Precise mechanical construction allowing low internal temperature gradient
- Electrically isolated from the coolant
- Outer diameters from 4 mm up to 22 mm.
- Watt density up to 220 W/cm². Outer sheath stainless steel and Inconel.
- Hot section length: from 100 mm up to 3000 mm
Product features :
- Unique proprietary manufacturing process
- Linear or cosine heat profile
- Proprietary connector designed to withstand voltage, current and temperature
- Thermocouples can be embedded
Trace heating
Applications
- Trace heating for pipes, tanks, plates for fusion and fission reactors.
- High density heating collar
- Boron tank heating solutions
Key parameters:
- Outer sheath made of Inconel or stainless steel
- Waterproof & fireproof
- High operating temperatures permitting high wattage
- Non-ageing of raw material under flux
- great mechanical strength
- Small overall diameter
- Tight bending radius (down to 3 times outer diameter)
- Competitive installation cost
- Radiation resistant
- Earth continuity along outer sheath
- Resistance to corrosion optimized by selecting grade of stainless steel
- No intermediate transition between hot section and cold ends within the same outer sheath (allowing maximum chemical / thermal resistance.)
- High insulation resistance allowing low leakage current
Product features :
- Several connector types available to suit all working conditions
- All configurations of line resistance, outer diameter and length
- Several designs of cold / hot transition from low to very high watt density
- Can be supplied with thermocouple
Customized ovens
Applications
- Special ovens made on demand
- Material ageing experiments
- Heat treatment
Key parameters:
- From low temperatures up to 1400°C
- From a few centimeters up to 1 cubic meter
- Flexible heating cable offering small dimensions and easy routing
- No weld in the hot / cold transition offering best reliability
- High heat flux up to 20 W/cm². High operating temperature
- Can incorporate instrumentation such as RTD or thermocouple
Product features:
- Completely mechanical construction
- Heater integrated to the assembly allowing thermal optimization
- Enhanced temperature profile
In-Core heating systems
Applications
Connectors capable of ensuring long term tightness. For power, instrumentation & control solutions in high radiation and/or high temperature environments.
Key parameters:
- Different solutions available: connectors designed dependent on normal operating conditions and accident condition severity.
- Can withstand radiation, pressure and temperature of a design Basis Accident
- Some designs exclude organic compound material
Product features:
- State of the art ceramic seals. Qualified resin compound if permitted.
- LOCA & Post LOCA resistant, severe accident resistant
- Small dimension, single or multiple contacts
- Contact pins in nickel or thermocouple material