AOGV ™ – Add On Gate Valve

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Maintenance without cashflow shutdown
The AOGV – Add On Gate Valve, is a field proven patented technology which inserts an isolation spade on a live flanged connection thereby reducing down time and eliminating the need for extensive isolation activities.

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AOGV General Information:
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AOGV Technical Information:
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AOGV Timelaps:

Isolation activities and process segregation in plants is necessary to create a safe barrier for intrusive maintenance:

  • Drainage (down time, large volumes)
  • Venting (down time, HSE)
  • Purging (down time, cost of inert Gas)
  • Flushing (down time, high volume treatment)
  • Recommissioning and start up

Following completion of the isolation operation the AOGV is removed and the flange couple is recommissioned to its original state.
The AOGV enables safe isolation and segregation of the process system and reduces the volume for cleaning, thereby saving volume of cleaning fluids used, time and cost.
Oil platforms and refineries and chemical processing plants are characterised by long lengths of connecting pipework and vessels containing large volumes. The contents are often hazardous substances, which may be flammable or toxic and are often at high temperatures or pressures. Any intrusive activity could allow the escape of hazardous substances. The implementation of adequate isolation practices is critical to avoiding loss of containment.
The AOGV™ is a proprietary technology which can be installed at strategic locations and significantly reduces the need for drainage, venting purging and flushing by segregating the process system and increasing plant up time.

The equipment is designed for pressure according to PED / EN 13445 and CE Certified.

Contact for this product is:

Kenneth Olaf Rosén: Senior Project Manager AOGV - IK Norway
T: +47 992 79 828     eMail:

Kjetil Aamodt: Principal Engineer AOGV & Pipe Intervention - IK Norway
T: +47 948 06 755     eMail:

Kenneth Låtveit: Business Development and Sales Manager Management - IK Norway
T: +47 928 17 555     eMail: