Nuts & Bolts Protection


iWrap™ ProClamp™ ProSleeve™ CorroCap™ & FlangeShield™ ProTaQ™ Pile Protector™ ProDesander™

Flange Protection System

CorroCap™ & FlangeShield™

CorroCap™ has all the ideal characteristics that make it the obvious choice in nuts and bolts protection. It incorporates a unique one-way valve that allows air, water and excess inhibitors to escape, creating a near-vacuum seal hence protecting the nuts and bolts in a corrosion inhibiting environment

FlangeShield™ employs a non-toxic, non-flammable, non-VOC (Volatile Organic Compound) and environmentally safe material. It is a rust converting compound designed specifically for use in the marine environment. This material is pre-heated to lower its viscosity which will allow it to penetrate into all the crevices.



To provide long-term corrosion protection, CorroCap™ is installed along with DP-180 a formulation of modified waxes containing corrosion inhibitors. When applied with Corrocilin (a rust converting and preventing agent) CorroCap™ offers a total solution to the mitigation of bolts and nuts corrosion.

Controlling corrosion on flanges is an important operational task in the industry as multiple crevices and annular spaces exists in the body of the flange and at the sealing faces. Nuts and bolts are exposed to mechanical damage during assembly and are difficult to coat as adequate surface preparation is virtually impossible. IOSV™ Flange Protection System was specifically designed and manufactured as a solution to this long-standing problem.



CorroCap™

Product Characteristics



Features

CorroCap™

● Made of top quality non-flammable silicone rubber
● Flexible, reusable and designed to fit nuts and bolts sized ½” to 3 ½”
● 18 standard sizes
● Will not harden under UV exposure
● Withstands heat up to 150°C

FlangeShield™

● Wax based non-toxic, non-flammable, non-VOC and environmentally safe
● Complete protection for crevices and annular spaces from corrosion
● Offers total and long-lasting protection for flanges, nuts and bolts when used with CorroCap.


Case Histories : Nuts & Bolts Protection

IOSV conducted post installation surveys in 2010 to gauge the performance and obtain feedback from clients on CorroCap™ performance.

Malaysia

  • Helang Intergrated Platform - Nippon Oil (2004)
  • Tukau Platform - PCSB-SKO (2007)
  • PETRONAS Methanol Labuan (2008)
  • Sumandak Selatan - PCSB-SBO (2008)
  • CKP, CKR & CKA - CarigaliHess (2003, 2007)

Overseas

  • Ruby A & B Platform - PC Vietnam Ltd (2006)

1. Helang Platform - Offshore Sarawak

  • CorroCap installed in 2004 for Nippon Oil
  • Inspection done in April 2010
  • After 6 years, the protected nuts and bolts are still in a very good condition
  • Anti-corrosion compound still present
  • No corrosion observed on nuts & bolts


2. Methanol Plant - Labuan

  • CorroCap installed in 2008
  • Inspection done in April 2010
  • After 2 years, the protected nuts and bolts are still in a very good condition
  • Anti-corrosion compound still present
  • No corrosion observed on nuts & bolts


3. Methanol Plant 2 - Labuan


4. Sumandak Platform - Offshore Sabah

  • CorroCap installed 2008 for PCSB
  • Inspection done in April 2010
  • Nuts & bolts are well protected
  • Anti-corrosion compound still present
  • No corrosion observed on nuts & bolts


5. Cakerawala Platform - Offshore Thailand

  • CorroCap installed in 2004 & 2007
  • Inspection done in January 2011
  • Stud bolts are protected against corrosion
  • Anti-corrosion compound still present
  • No corrosion observed on nuts & bolts


6. Ruby Platform - Offshore Vietnam

  • CorroCap installed in Sep 2006 for PCVL
  • Inspection done in December 2010
  • After 4 years, the protected nuts and bolts are still in a very good condition
  • Anti-corrosion compound still present
  • No corrosion observed on nuts & bolts


7. Petron Refinery Jetty - Port Dickson


8. East Piatu Platform - Offshore Terengganu


9. Shell Refinery - Port Dickson


10. JIMAH, Port Dickson Power Plant - June 2015


11. Malakoff Prai Power Plant - June 2015

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