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Category: Power Generation

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Refurbishment of J Strainer using Vinyl Ester – RB 300

By on January 17th, 2020 in Power Generation

Industry: Power Generation Date: July 2019 Substrate: Austenitic iron body Products: Chem-tect™ RB 364 Series – Glass Flake filled vinyl ester resinEpo-chem™ RL 500PF to externals Environment: Sea Water Challenge: Strainer has been in service for 30 + years. Inspection of the strainer body, back wash covers & critical dimensions found the substrate to be read more ►



RB 300 series used on Self Cleaning Strainer

By on February 15th, 2019 in Power Generation

Industry                      Power Generation Date November 2018 Substrate Carbon steel Products Chem-tect™RB 332, glass flake filled vinyl ester and proprietary reinforced composites Environment Sea Water Challenge A short time frame due to critical power shortage stopping other major processes forced weekend work to commence. Rebuild and reinforce flanges and provide defect free corrosion protection. Chemcote’s Solution read more ►



Column Pump Composite Repairs

By on August 27th, 2018 in Power Generation

Industry                    Power Generation Date April 2018 Substrate Cast Iron Column Pump Products Internals, Chem-tect™ RB 364 a glass flake filled vinyl ester. Ceram-chem™ RP 500 a ceramic filled epoxy. Externals, Epo-chem™ RS 500P a surface and moisture tolerant primer. Epo-chem™ RA 500M a glass flake filled read more ►



Emergency Condenser Water Box Repairs

By on June 16th, 2018 in Power Generation

Industry                    Power Generation Date January 2018 Substrate Water Box – Steel recently coated using ceramic filled epoxy Products Epo-Chem™ RS500P and RA500M glass flake filled epoxy Environment Pressure vessel containing clean brackish water at ambient temp Challenge Carry out composite repair (rated to 1200psi) to hole read more ►



Cavitation Protection on Valve Paddle

By on January 2nd, 2018 in Power Generation
Paddle refurbishment complete

Industry                            Power Generation   Date 2017   Substrate Rubber Lined Mild Steel   Products Epo-Chem™ RS 500P a wet and surface tolerant mio epoxy primer Epo-Chem™ RP 500 series, a moisture tolerant ceramic filled epoxy top coat, providing excellent long term cavitation resistance. InD-cote™   Environment 15°C – 30°C sea water   Challenge The 10-year-old read more ►



Corrosion Protection for Condenser Tube Sheet

By on December 11th, 2017 in Power Generation
Tube sheet refurbishment complete

Industry                            Power Generation    Date 2016    Substrate 20 Year Old – Bronze tube sheet    Products Chem-tect™ RB 300 series, a glass flake filled vinyl ester, provides excellent permeation resistance and high dielectric strength.    Environment 40-60°C, sea water   Challenge To provide a long term solution for the corroded tube ports and tube read more ►



Life Extension of 40 year old Structural Steel

By on November 20th, 2017 in Power Generation

Industry                            Power Generation   Date 2016   Substrate Critical overhead pipe support structure outside turbine hall   Products Epo-Chem RS 500P a wet and surface tolerant mio epoxy primer and Epo-Chem RA 500 series, a moisture tolerant glass flake filled epoxy top coat, providing excellent long term corrosion resistance.   Environment 15°C – 60°C sea water read more ►



Corrosion Protection For Hot Salt Water

By on September 12th, 2016 in Power Generation, Pumps & Piping
Holiday testing RB 300 internal coating

Industry: Power Generation Date: 2016 Substrate: New fabrication using mild steel Products: Chem-tect™ RB 300 series Epo-chem™ RL 500PF RC 500GTC finish coat Environment: Hot salt water Challenge: The project was a series of pipe spools with diverse configurations and diameters. These items required long term corrosion protection against high temperature salt water. This would read more ►



Structural Steel

By on January 13th, 2016 in Power Generation

Industry:                             Power Generation   Date: 2015   Substrate: Critical support structure for 40 year old overhead pipe services into turbine hall   Products: Epo-chem RS 500P™ a wet and surface tolerant mio epoxy primer and Epo-chem™ RA 500 series, a moisture read more ►



Condenser Tube Sheet

By on December 2nd, 2015 in Power Generation

Industry:                             Power Generation – Sugar Mill   Date: 2015   Substrate: 8 Year Old – Mild Steel water boxes & Stainless Steel tube sheets   Products: Chem-tect™ RB 300 series, a glass flake filled vinyl ester, provides excellent permeation resistance and read more ►



Heat Exchanger Vessel

By on July 17th, 2015 in HVAC, Oil and Gas, Power Generation
Application of RA 532 a moisture tolerant glass flaked filled epoxy

Industry:                         HVAC, Power Generation, Oil & Gas,   Date: February 2012,   Substrate:  Cast Iron,   Products: Epo-chem™ RS 500P, Epo-chem™ RA 532,   Environment:                 Recirculated water,   Challenge: This heat exchanger vessel was manufactured in 1981 and installed shortly after. Fatigue cracking was found in some read more ►



Suction Tubes

By on May 12th, 2015 in Power Generation

Industry: Power Generation,   Date: Aug 2012,   Substrate: Cast Iron,   Products: Chem-tect RB 300 Series – Glass flake filled vinyl ester resin Chem-glass RC 200 Anti foul – Copper pigment based polyester resin   Environment: Ambient Salt Water,   Challenge: To extend the operating life of heavily corroded, 30 year old suction tubes, read more ►



300 series for Intercooler Vessel

By on April 19th, 2015 in Power Generation

Industry: Power Generation,   Date: November 2001,   Substrate: 10 year old carbon steel Intercooler Vessel,   Products: Chem-tect™ RF 300P, Chem-tect™ RF 332, Epo-chem™ RL 500PF   Environment: High Pressure Steam, exceeding 150°C,   Challenge: The vessel was experiencing severe corrosion and metal loss. We had a short window to machine rebates in all read more ►



RB 300 series for Guide Vanes

By on April 12th, 2015 in Power Generation

Industry: Power Generation – Hydro,   Date: September 2000,   Substrate: Cast Iron – 20-30 years old,   Products: Chem-tect™ RB 300 series,   Environment: Fresh water,   Challenge: Guide Vanes were suffering from severe corrosion resulting in metal and sealing face loss due to SRB causing deep pitting corrosion.     Guide Vanes upon read more ►



RB 300 series to Cation Vessel

By on March 30th, 2015 in Power Generation
cation vessel

Industry: Power Generation,   Date: August 2002,   Substrate: 10 year old carbon steel vessel,   Products: Chem-tect™ RB 300P & RB 332 ,   Environment: Demineralised water,   Challenge: The vessel was originally rubber lined. Osmotic blistering found during an inspection raised concerns about metal loss due to the loss of lining integrity. Over read more ►



Condenser Water Box

By on March 23rd, 2015 in Power Generation

Industry: Power Generation,   Date: 2002,   Substrate: Mild Steel water boxes & mild steel tube sheet with a copper alloy combination tube,   Products: Chem-tect™ RB 300 series,   Environment: 60-80°C, sea water,   Challenge: Tube sheets were corroded due to a galvanic reaction between dissimilar metals. These were treated on site by scaffolding read more ►



Chem-tect RB 300 series for CW Pipe Spools

By on March 17th, 2015 in Power Generation

Industry: Power Generation,   Date: 2009,   Substrate: Steel with failed concrete lining,   Products: Chem-tect™ RB 300 series, Epo-chem™ RL 500PF, RC 500 GTC top coat,   Environment: Sea Water,   Challenge: A short time frame requiring quick turnaround. Pipe spools required long term corrosion protection.   Convoluted Pipe            Rebated read more ►



RB 300 series to Strainer

By on March 8th, 2015 in Power Generation

Industry: Power Generation,   Date: May 2010,   Substrate: Salt Water Strainer,   Products: Chem-tect™ RB 332, RC 200 Anti Foul RL 500PF,   Environment: Sea Water,   Challenge: Inspection of the strainer found there to be a large amount of external corrosion and severe localised pitting on the internals, particularly around the sealing ring. read more ►



High Voltage Transmission Towers

By on March 5th, 2015 in Power Generation

Industry: Power Transmission,   Date: 2002 to 2010,   Substrate: Galvanised Steel,   Products: Chem-tect™ RB 300,   Environment: Atmospheric –buried low or high pH soil depending on location,   Challenge: Metal loss was detected on some legs of the transmission towers while other legs showed signs of severe corrosion at the highly susceptible natural read more ►



Oil Cooler Water Boxes

By on February 9th, 2015 in Power Generation

Industry: Power Generation,   Date: Aug 2010,   Substrate: Cast Iron,   Products: Epo-chem™ RS 500P, Epo-chem™ RA 500M,   Environment: 60°C Salt Water Immersed,   Challenge: To refurbish and extend the operating life of extensively corroded, 35 year old, oil cooler water box. Deep pitting was found in many areas requiring pit filling and read more ►



Intercooler Water Box

By on February 9th, 2015 in HVAC, Oil and Gas, Power Generation

Industry: HVAC, Power Generation, Oil & Gas,   Date: February 2012,   Substrate: Cast Iron,   Products: Chem-tect™ RB 332, Epo-chem™ RL 500PF,   Environment: Up to 60°C Recirculated Water,   Challenge: The intercooler water box unit was manufactured in 1981 and installed shortly after. It was discovered that previous coating applications did not have read more ►



Heat Exchanger Coatings

By on January 30th, 2015 in Power Generation

Are your Heat Exchangers and Chillers corroded? We can help with heat exchanger coatings to repair and protect. Chemco Australia specialises in providing guaranteed corrosion solutions for your equipment either conveniently at your site or at our fully equipped workshop. We have technicians who are skilled in the application of advanced heavy duty glassflake filled coatings read more ►



Condenser Corrosion Protection

By on January 15th, 2015 in HVAC, Power Generation

Industry: HVAC, Power Generation, Oil & Gas,   Date: February 2012,   Substrate: Cast Iron,   Products: Ceram-chem™ RP 500,   Environment: Up to 60°C Recirculated Water,   Challenge: The condenser unit was manufactured in 1981 and installed shortly after. There was some metal loss in localised areas across the tube sheet and some of read more ►



Corrosion Protection for Centrifugal Pump

By on November 24th, 2014 in Power Generation

Industry: Power Generation,   Date: November 2005,   Substrate: Austenitic Stainless Steel,   Products: Chem-tect™ RB 300 Series, Ceram-chem™ RP 500 Series,   Environment: Ambient Salt Water,   Challenge: The Centrigugal Pump was suffering from intergranular corrosion, severe cavitation around the Anti-Swirl vanes, with the resulting implosions and erosion corrosion had removed most of the read more ►