U.S. Patent 11,366,023
The Innovative Multi-Piece Exhaust Thermowell
Redefining thermowell design with our patented 4-component system. Where traditional single-piece thermowells fail, ours delivers 150,000+ hours of reliable operation with a 95% reduction in thermocouple failures.

ENGINEERED FOR GE GAS TURBINES: 7FA 7EA 7HA
95%
Reduction in TC Failures
150K+
Hours Life Expectancy
10K+
Starts Capability
The Problem & Our Innovative Solution
⚠️ The Problem
Traditional Single-Piece Thermowells
- No allowance for thermal expansion
- No strain relief on cabling
- Thermocouple heads break from vibration
- Fretting and sticking from carbon buildup
- Thermocouple not properly seated
- Frequent replacements & costly downtime
✓ Our Innovative Solution
Patented 4-Component Thermowell
- Floating thermocouple tracks thermal expansion
- Built-in strain relief prevents breakage
- Thermocouple stays securely seated always
- Eliminates carbon ingress into well area
- Nitronic 60 anti-galling components
- Rene 41 spring rated for 1M+ cycles
Why Choose GTSP Thermowells?
Our innovative design delivers unmatched reliability for your gas turbine operations
🔧
Uses Existing Thermocouples
Compatible with your current thermocouples – no need to replace your entire system.
🌡️
Thermal Expansion Design
Floating thermocouple maintains solid contact through startup and full operation.
💪
Vibration Dampening
Strain relief nut provides vibration dampening at electrical cable connection.
❄️
Fin Heat Sink
Provides heat dissipation to protect against insulation deficiencies.
⏱️
Extended Life
150,000+ hours and 10,000+ starts – maximize your turbine availability.
📈
Increased Reliability
Dramatically reduce exhaust temperature measurement failures.
25+ Years of Gas Turbine Instrumentation Experience
Gas Turbine Specialty Parts LLC brings over two decades of hands-on expertise in gas turbine instrumentation. Our team understands the real-world challenges power plants face with exhaust thermocouple failures.
We didn’t just identify the problem – we innovated a solution. Our patented 4-component thermowell system redefines what a thermowell can be, delivering unprecedented reliability.
Installation Timeline
July 2019: First installation at Gila River Power Station
Nov 2023: First complete set of 27 assemblies
March 2024: Three complete sets installed
2025: Additional installations scheduled
Q1 2026: 12+ FA units projected
✓ Zero thermowell incidents reported since 2019
Ready to Eliminate Thermocouple Failures?
Contact us today for a quote and discover how our innovative thermowell design can improve your turbine reliability and reduce maintenance costs.
GTSP
Gas Turbine Specialty Parts LLC
Innovative multi-piece exhaust thermowell solutions for gas turbines. Proudly serving power plants nationwide.
U.S. Patent 11,366,023
Contact Us
Keith S. Obillo
📞 Tel: 623-734-7456
✉️ info@gasturbinespecialtyparts.com
🌐 www.gasturbinespecialtyparts.com
© 2025 Gas Turbine Specialty Parts LLC. All rights reserved. | U.S. Patent 11,366,023
7FA7EA7HA