Select Page

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.

GTSP Multi-Piece Exhaust Thermowell Assembly

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