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Hole Repair & Coating – Pipe Column Seawater Lift Pump

Intro

Chesterton Asia Pacific case study APAC0004 – Chesterton products – ARC

Chesterton

 

 

ARC industrial coatings are engineered to protect metal and concrete surfaces from the damaging effects of abrasion, erosion, and chemical attack.

Standard Chesterton® products portfolio including ARC Industrial Coating are offered only through our distribution partners, strategically located to support the Asia Pacific market. To discover more about ARC solutions visit https://arcindustrialcoatings.chesterton.com

Products featured in the case study:

  • ARC SD4i is a 100% solids, advanced reinforced thin film coating to protect structures and equipment in extreme immersion services.
  • ARC 858 is a 100% solids, thick film, ceramic reinforced abrasion control epoxy compound formulated to protect metal surfaces subjected to erosion, corrosion, and chemical attack.

 

SD4i

ARC 858

 

Challenge

Issue

The pipe column faces bad erosion, corrosion and barnacle issues which causes a hole to appear in the reducer area and hence leak seawater.

Goal

Repair the hole and rebuild the internal & external surface of the pipe.

Root Cause

Raw seawater causes erosion and corrosion to the Nickel Aluminium Bronze material pipe column.

Pipes column after hot water pressure wash

Solution

Preparation

  • Hot water pressure wash.
  • Grit blast to Sa 2.5 with 3mil (75μm) angular profile.

Application

  • Added steel mesh to the hole and plate patched on the internal & external pipe.
  • Applied ARC 858 to rebuild internal and external pipe.
  • Applied ARC-SD4i – 3 coats(Internal-DFT0.7-0.8mm) & 2 coats (external- DFT0.5mm).

The hole needs to be repaired

Plate Patched

ARC 858

Results

Client Reported

The customer was satisfied with the hole repair and the ARC Coating products and performance.

Additional Benefits

The extended service life of the pipe column means reduced production downtime and therefore, significant savings.

Client Follow Up

The client agreed to proceed with the next seawater lift pump.

Completed pipe column

About us

Chesterton

Chesterton® is a world leader in helping process industry companies and manufacturers improve the reliability and efficiency of their rotating, stationary, and fluid power equipment platforms. Chesterton® is known across a wide range of industries for our award-winning pump and valve sealing solutions, applications expertise, equipment maintenance and wear-prevention products, and knowledgeable hands-on local service.​

visit https://arcindustrialcoatings.chesterton.com/

Mentioned in the case study:

SJP Sealing Technology (S) Pte Ltd
Exclusive Distributor of Chesterton products
Locations: Singapore and Malaysia

® Registered trademark owned by A.W. Chesterton Company
Case Number APAC004 – Issued 07/20
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