Gas Fired Power Plants

Gas fired power plants are either single-cycle plants fuelled entirely by natural gas, or combine the gas turbine cycle with a coal fired unit. In most cases, gas fired power plants operate in a combined cycle process using a gas and a steam turbine to generate electricity. Therefore, many applications are similar to those in coal fired plants, e.g. on the cooling cycle, cooling pumps or steam turbine.

Applications on the gas turbine, the gas pipes, the intake air or the flue gas duct etc. require different maintenance and service solutions. LOCTITE offers products tailored specifically to these needs.


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Number Equipment Challenges LOCTITE Solution
1 Feed water tank Corrosion protection of feed water tanks and repair of corroded tank inside surface. After surface preparation by abrasive blast cleaning, coat the entire inside surface with LOCTITE 7255 Sprayable Ceramic to achieve a uniform corrosion protection coating on the inner tank surface.
Corrosion protection of the external surface of industrial water pipes. Coat the external surface of water pipes with LOCTITE 7255 Sprayable or LOCTITE 7227 / 7228 Brushable Ceramic.
  Heavy machinery / shaft & assemblies Prevent loosening and corrosion of the bearing block fastener to ensure reliability of components mounted onto the base plate. Apply LOCTITE 2701 High Strength Threadlocker onto the bearing block fastener and secure the assembly.
2 / 3 Feedwater & cooling pump Prevent gasket failure at the pump housing and mounted components of the centrifugal pump. Seal all pump housing flanges with LOCTITE 518 Flange Sealant in order to avoid any leakage. Please consult the comprehensive manual describing the complete range of solutions Henkel offers for the repair and maintenance of pumps.
  Base plates & foundation Repair of cracks, spalling and chipping of bedplates of machines like pumps, gearboxes and aggregate. Chemically resistant coating on concrete bedplate to avoid leakage of foundation. Repair any cracks or other damage to small areas of the bedplate with LOCTITE 7257 Magna Crete. For damages to large areas of the bedplate or if you need a smooth concrete layer resistant to chemicals, use LOCTITE 7204 High Performance Quartz.
4 Natural gas pipes, fittings & pressure reducing stations Prevent leaks from threaded fittings of the gas pipes and pressure reducing station. Seal all threaded fittings with LOCTITE 577 Thread Sealant. The product carries gas DVGW approval (NG-5146AR0621) and is tested acc. to EN 751-1. Use for max. 3" thread size. If applied below 5 °C, LOCTITE 577 cures only in combination with LOCTITE 7649 Activator. Recommended for pressure up to 7 bar.
Detect leaks from gas handling systems. Use LOCTITE 7100 Detector, it is an easy to use aerosol that allows detection of suspected leaks in all pressurized gas systems, compressed air, helium, nitrogen etc. as well as in iron, copper and plastic piping.
To free rusted, corroded and seized parts. Use LOCTITE Freeze and Release on components and threaded assemblies which are rusted, corrode or seized. LOCTITE Freeze and Release is a special mineral oil formulation. The shockfreezing effect will cool parts instantly down to -43 °C and cause micro cracks in the layer of rust. This allows the lubricating ingredients to wick directly into the rust by capillary action. Released parts remain lubricated and protected from corrosion.

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