Test loops

Recirculation loops are used in laboratories to simulate a real-life operating environment for example in power plants, pipelines, steam turbines, deep sea applications, etc.

They offer the following benefits:

  • A large water volume reduces the effects of corrosion products on the water chemistry.
  • Water can be regenerated in ion exchangers, UV-cell and filters.
  • The dissolved oxygen and hydrogen concentrations, pH and conductivity can be monitored and controlled.
  • Recirculation loops provide a reproducible and valid test environment that leads to reproducible and representative test results.

Loops simulating power-plant operation provide clean water with a specific water chemistry. Special attention is paid to the monitoring of both incoming and outgoing water flows and to the removal of water contaminants. An essential part of the operation is the control of the dissolved oxygen concentration and maintaining a low water conductivity in BWR and SCW applications.

Loops are used in oil and gas applications to provide a large water volume, which provides stable water chemistry during long test periods. Loops provide high H2S and CO2 partial pressures at high temperature because the gases are dissolved in the storage tank at low temperature. Loops are designed to resist corrosive H2S and CO2 gases. The construction materials is often Hastelloy C-276.

Cormet builds steam loops for high-pressure and sub-atmospheric pressure environments where they are used to simulate various kinds of situations in steam turbines. High speed loops are built for the simulation of the flow assisted corrosion and for the cooling of the heat exchangers or thermal fatigue specimens.

 
 

Have a look at our references related to this product!

2018

University of Florida, Gainvesille, USA

Instrument

Recirculation loop and 25kN SSRT autoclave

Application

SCC studies
2017

VUZ - Welding Research Institute, Slovakia

Instrument

SSRT autoclave and loop for super-critical water and CO2

Application

SCC studies, 650C / 35MPa
2015

AREVA, Germany

Instrument

25kN SCW SSRT autoclave and test loop

Application

Supercritical water material testing

University Of Manchester, United Kingdom

Instrument

Recirculation loop with four autoclaves

Application

Radio chemistry testing
2014

GVNIPIET, Russia

Instrument

Recirculation Loop

Application

Corrosion Testing In Nuclear Environment
2005

Research Centre, India, India

Instrument

100kN SSRT Autoclave And Loop

Application

SCC Testing In NPP Environment
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