Hydrobrake Cryogenic Compressor
(THC) Series

Robust and efficient turboexpander series with integrated cryogenic compressor and hydraulic brake. Ensures maximum stability, reliability, and minimal seal gas consumption for critical cryogenic processes.

In the demanding cryogenic industrial gas sector, operational reliability and efficiency are paramount. Air Liquide’s THC Series offers a high-performance, compact, and robust solution for air separation and liquefaction applications, delivering precision control and refrigeration production where it matters most.

The THC Series is engineered for operational excellence across the entire spectrum of cryogenic industrial gas applications, including Air Separation Units (ASU) and liquefaction cycles. Our proprietary technology ensures maximum uptime and the lowest Total Cost of Ownership (TCO).

Core benefits

Superior efficiency: Expander efficiency up to 86% and pressure ratio up to 20:1. Designed for high refrigeration production (up to 200 HP).
Robust stability: Rugged rotor design, stiff shaft, and high-capacity tilt pad bearings assure maximum stability at all operating loads and speeds.
Minimized contamination: Dual Independent Labyrinth Shaft Seals reduce seal gas consumption and prevent process stream contamination.

Innovative features

Our proven technology, developed over 60 years, features:

"Zero Leakage" Inlet Guide Vanes: Provides optimum flow patterns and precise, continuous flow control across the full operational spectrum.
Self-aligning wheel attachment: Tapered bore and stretch rod design maintains alignment, simplifying maintenance and enabling fast field replacement of components.

Frequently Asked Questions (FAQ)

What is the primary function of the Air Liquide Turbo-Hydrobrake-Compressor (THC) Series in industrial gas applications?

The THC Series is a robust and highly efficient turboexpander that integrates a cryogenic compressor and a hydraulic brake. Its primary function is to deliver precise control and high refrigeration production (up to 200 HP) for critical cryogenic processes within Air Separation Units (ASU) and liquefaction applications.

What key performance advantages and efficiency metrics does the THC Series offer?

Engineered for superior operational excellence and the lowest Total Cost of Ownership (TCO), the THC Series offers expander efficiency up to 86% and a pressure ratio up to 20:1. It also features innovative "Zero Leakage" Inlet Guide Vanes to provide optimum flow patterns and precise, continuous flow control across the full operational spectrum.

How does the Turbo-Hydrobrake-Compressor ensure maximum reliability and prevent process contamination?

Maximum stability and reliability are assured through a rugged rotor design, a stiff shaft, and high-capacity tilt pad bearings that operate reliably across all loads and speeds. Furthermore, the system incorporates Dual Independent Labyrinth Shaft Seals to significantly minimize seal gas consumption and prevent process stream contamination, which is vital for maintaining safety and product quality.

Comprehensive aftermarket support:

Expert Field Services & Commissioning: Ensure smooth installation and operation with our factory-trained technicians.
Upgrades & Retrofits: Maintain peak performance with engineering adjustments for new operational requirements.
Factory Repair: Meticulous restoration to original factory specifications at our dedicated service centers.
Spare Parts: Perform routine maintenance or replace damaged components with OEM quality.