Oil & Gas IndustryLOCTITE Solutions for Static Equipment

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Oil and Gas IndustryCase Study: Repairing on a heat exchanger

April 25, 2017Oil & Gas | Industry Presentation - Static Equipment

Challenge

• Equipment: Heat Exchanger

• Material: Steel

• Problem: Corrosion due to salt water

Solution

• Surface preparation: Sand Blasting:

SA 2.5 – Ra= 75 micron; LOCTITE SF 7063

• Adhesive: LOCTITE EA 3472 Pourable Metal Filled Epoxy

Benefits• Cost Savings: $5,000

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Oil and Gas IndustryCase Study: Tubesheet repairing on a heat exchanger

April 25, 2017Oil & Gas | Industry Presentation - Static Equipment

1. Surface preparation: Sand Blasting:

SA 2.5 – Ra= 75 micron

2. Put caps in the holes – applied a

plastic tape to limit the putty spread

3. Heat Exchanger in vertical position

4. Warm-up LOCTITE EA 3472 (40°C to

decrease the viscosity)

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Oil and Gas IndustryCase Study: Tube sheet repairing on a heat exchanger

April 25, 2017Oil & Gas | Industry Presentation - Static Equipment

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1. Pouring LOCTITE EA 3472 A+B mixed

among the holes of pipes

2. Getting LOCTITE EA 3472 more liquid

with a heating gun for a faster

penetration

3. 4. Once cured, LOCTITE EA 3472 was

machined on a lathe to restore the

gasket seat

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Oil and Gas IndustryCase Study: Repair of heat exchanger

April 25, 2017Oil & Gas | Industry Presentation - Static Equipment

Challenge

• Equipment: Heat exchanger

• Material: Mild steel

• Problem: Strong corrosion of tube sheet of heat exchanger

Solution

• Surface preparation: Sand blasting SA 2.5;

75 µm surface profile

• Adhesive: LOCTITE PC 7222; LOCTITE PC 7227

Brushable Ceramic grey (topcoat)

Benefits

• Extended work life of equipment

• Efficiency improved

• Higher corrosion protection cause of coating

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Oil and Gas IndustryCase Study: Repair of heat exchanger

April 25, 2017Oil & Gas | Industry Presentation - Static Equipment

1. Disassembly of heat exchanger

2. Surface preparation: Cleaning and

decontamination; Sand blasting if

possible;

3. Product application: LOCTITE PC

7227 Brushable Ceramic Grey

4. Machining the flange surface

5. Alternative: LOCTITE PC 7255

Sprayable Ceramic

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Oil and Gas IndustryCase Study: Heat Exchanger – Corrosion Protection

April 25, 2017Oil & Gas | Industry Presentation - Static Equipment

Challenge

• Device / Equipment: Heat exchanger

• Substrate: Stainless steel

• Problem: Strong corrosion of component; 160°C

temperature requirements

Solution

• Surface preparation: Sand blasting SA 2.5; 75 µm surface

profile; Cleaning with LOCTITE SF 7063 Cleaner

• Product: LOCTITE PC 7234 High Temperature Brushable

Ceramic

Benefits

• High corrosion protection

• Withstand temperature requirements

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Oil and Gas IndustryCase Study: Heat Exchanger – Corrosion Protection

April 25, 2017Oil & Gas | Industry Presentation - Static Equipment

1. Heat exchanger front plate preparation

prior to coating

2. Front plate, after surface preparation

3. Coated with LOCTITE PC 7234 High

Temperature Brushable Ceramic

4. Detail of coating

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Oil and Gas IndustryCase Study: Pipe – Type A – External Corrosion protection

April 25, 2017Oil & Gas | Industry Presentation - Static Equipment

Challenge

• Equipment: Pipe in Pipe Bridges at a chemical plant – external

corrosion; pipe work at chemical plant: 300 km pipe length; 18 km

pipe brides;

• Material: Mild Steel

• Problem: External corrosion; Composite Repair required at 10 m

length of pipe; Corrosion protection required at 50 m length pipe

Solution

• Surface preparation: Sand blasting SA 2.5; 75 µm surface profile

• Adhesive (Technology/Chemistry): LOCTITE EA 3478 Superior

Metal; LOCTITE PC 7255 Sprayable Ceramic Grey; LOCTITE PC

7227 Brushable Ceramic Grey

Benefits

• Cost Savings: Repair carried out without plant shut down; Cost

savings due to lower costs than welding

• Performance of Henkel Solution: 20 year lifetime extension

• ISO 24817 / ASME PCC-2

• Approved by DNV≷ Lloyds Register;

TÜV Rheinland

Repair

Standard

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Oil and Gas IndustryCase Study: Pipe – Type A – External Corrosion protection

April 25, 2017Oil & Gas | Industry Presentation - Static Equipment

1. Surface Preparation: Cleaning with

LOCTITE SF 7840; Abrasive blasting

to SA 2.5 standard; Corrosion Inhibitor

LOCTITE SF 7515

2. Application of LOCTITE Composite

Repair System: LOCTITE PC 7210

Hand Lay-up Resin and LOCTITE

5085 Glass & Carbon Fiber (3 layer)

3. Peel Ply: Application of Peel Ply in

order to achieve higher composite

parameter and smooth surface

4. Top Coat: Application of LOCTITE PC

7255 Sprayable Ceramic Green &

Gray (2 layer, each 250 µm)

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Oil and Gas IndustryCase Study: Pipe – Type A – Chlorine Vent Main Pipework

April 25, 2017Oil & Gas | Industry Presentation - Static Equipment

Challenge

• Equipment: Pack chlorine vent main pipework

• Material: Carbon Steel; 325 mm diameter; Pipe - T

• Fluid: Chlorine Gas (Class III Repair)

• Problem: Nominal wall thickness 8 mm; Remaining wall thickness

5 mm; Inside corrosion; Pipe is constantly running under vacuum

from 0,5 up to 12 bar

Solution

• Surface preparation: Bristle Blasting SA 2.5; 75 µm surface

profile; Application of LOCTITE SF 7515 Corrosion Inhibitor

• Adhesive (Technology/Chemistry): LOCTITE EA 3478 Superior,

LOCTITE Composite Repair System (6 layer with 11 mm

thickness) Top Coat with LOCTITE PC 7255 Sprayable Ceramic

Green

Benefits

• Cost Savings: Information not available; Product costs $7,400

• Performance of Henkel Solution: Class III Repair; 2 year pipe

lifetime extension;

• Repair carried out with certified repair

method: ISO 24817 / ASME PCC-2

• Approved by DNV&GL, Lloyds Register

and TÜV Rheinland

Repair

Standard

12April 25, 2017Oil & Gas | Industry Presentation - Static Equipment

1. Surface preparation with Monti Bristle

Blaster brushing tool: SA 2.5

2. Application of LOCTITE Composite

Repair System: LOCTITE PC 7210

Hand Lay-up Resin and LOCTITE

5085 Glass & Carbon Fiber

3. Hardness check before next work step

of Composite Repair System (handling

strength): Shore D > 65

4. Application of Top Coat with LOCTITE

PC 7255 Sprayable Ceramic

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Oil and Gas IndustryCase Study: Pipe – Type A – Chlorine Vent Main Pipework

Application carried out according ISO 24817

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Oil and Gas IndustryCase Study: Pipework & Valve for Water Glycol System

April 25, 2017Oil & Gas | Industry Presentation - Static Equipment

Challenge

• Equipment: Pipework & Valve – Cooling pipework

• Material: Mild steel; 24 “

• Fluid: Water glycol system; Temp 75°C; 4 bar

• Problem: 6 mm loss of wall thickness due to inside corrosion

Solution

• Surface preparation: Sand blasting SA 2.5; 75 µm surface profile;

LOCTITE SF 7515 Corrosion Inhibitor

• Adhesive (Technology/Chemistry): LOCTITE EA 3478 Superior

Metal; LOCTITE Composite Repair System; LOCTITE PC 7255

Sprayable Ceramic Grey;

Benefits

• Cost Savings: $27,000; No pipe shut down during repair

• Performance of Henkel Solution: Approved repair method and

lifetime extension

• Repair method approved according ISO

24817 and ASME PCC-2

• Approved by DNV≷ Lloyds Register

and TÜV Rheinland

Repair

Standard

14April 25, 2017Oil & Gas | Industry Presentation - Static Equipment

1. Pipework and Valve before Composite

application; (inside corrosion of water

glycol system) Removal of paint with

abrasive blasting to standards SA 2.5;

Application of LOCTITE SF 7515

Corrosion Inhibitor

2. LOCTITE Composite Repair System

application (job completed);

Afterwards application of LOCTITE PC

7255 Sprayable Ceramic

Oil and Gas IndustryCase Study: Pipework & Valve for Water Glycol System

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Application carried out according ISO 24817

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Challenge

• Device / Equipment: Tank for detergent manufacturing

• Substrate: Stainless Steel Tank

• Problem: Stainless steel tank corroded, being in contact

with Alkyl Benzol Sulfon Acid & Sulphuric Acid 1% (at 65°C)

Solution

• Surface preparation: SA 2.5 cleanliness and 75 µm

surface roughness

• Product (s) used: Prime coat and final coat with LOCTITE

PC 7227, up to a thickness of 500 µm

Benefits

• Excellent chemical resistance

• Easy to coat in manual application

Oil and Gas IndustryCase Study: Coating of tank

April 25, 2017Oil & Gas | Industry Presentation - Static Equipment

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Oil and Gas IndustryCase Study: Rebuilding & coating of tank

April 25, 2017Oil & Gas | Industry Presentation - Static Equipment

1. Tank inside before coating – corrosion

at the bottom difficult to see

2. Tank inside before coating – corrosion

marks at the side wall

3. Tank inside after coating

4. Tank inside after coating: 2 layer

(prime and top coat) with a final

thickness of 500 µm thickness

After 3 ½ years inspection, coating is

not damaged

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Oil and Gas IndustryCase Study: Rebuilding & coating of tank

April 25, 2017Oil & Gas | Industry Presentation - Static Equipment

Challenge

• Device / Equipment: Tank for detergent manufacturing

• Substrate: Mild Steel

• Problem: Strong corroded steel construction of tank and

conveyor

Solution

• Surface preparation: SA 2.5 cleanliness and 75 µm

• Product: LOCTITE PC 7221 Chemical Resistance Coating

Benefits

• Excellent chemical resistance

• Easy to coat in manual application

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Oil and Gas IndustryCase Study: Rebuilding & coating of tank

April 25, 2017Oil & Gas | Industry Presentation - Static Equipment

1. Mechanical surface preparation with

grinder

2. Coating of conveyor from tank inside

3. Coating of conveyor

4. Completed tank coating with

LOCTITE PC 7221 Chemical

Resistance Coating