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Namtvedt Sealmaker Services has, over a short period of time, become one of the leading differentially activated sealant technology companies in Europe, together with partner Sealmaker International.
Sealants for down hole and subsea systems
Sealmaker sealants are engineered to remain liquid and inert until exposed to pressure differential and positive displacement through a point of convergent flow. Namtvedt also represent the most efficient sealing technology for topside piping systems, by using Citadel Technology advanced carbon wrapping system-Diamond Wrap.
Engineered leak repair systems
Sealmaker International specialises in engineered leak repair solutions. Our unique and innovative liquid pressure-activated sealants are used to repair troublesome leak problems associated with oil and gas production both on and offshore. We deal with various leak types, such as:

Hydraulic system leaks
Control line and safety valve leaks (SCSSV)
Well-head and tree associated leaks
Sub sea well-head
Pipeline and tree leaks
Downhole equipment leaks
Casing and tubing leaks
Packer leaks

Our Custom offshore sealants are specifically designed for each application, using the most advanced sealant technology available.
Sealmaker sealants are HOCNF registered in Norway, Denmark, UK and the Netherlands, and have green color coding.
Carbon epoxy rehab system for topside piping system
Diamond Wrap® is a carbon/epoxy rehab system that provides a custom designed, cost-effective solution for the prevention and repair of leaking or corroded piping systems.
Repairs for the following pipes can be carried out using the carbon fiber composite Diamond Wrap system:

High-temperature pipes
High-pressure pipes
Complex-geometry pipes
Confined-space pipes
Pipes carrying harsh chemicals

The following additional advantages are:

No pressure limits
Avoidance of unplanned shutdowns
More than 20 continuous years of composite engineered expertise
Installation less than 20 minutes
Extensive product testing and service history

Diamond Wrap meets the requirements of ASME, B31G, PCC, API, AGA and DOT standards.