Pipe Repair products offer a fast, safe way to seal splits, holes, and corroded sections instantly – often under full system pressure – avoiding the need for expensive and time-consuming network shutdowns.
Unrivalled Performance On Ductile Iron & Steel Pipes
Viking Johnson FlexLock couplings and flange adaptors are designed to provide secure, full end-load resistant connections in demanding pipeline applications. Ideal for water, wastewater, and industrial systems, they offer a dependable solution where axial forces must be restrained and connection integrity is critical.
FlexLock works by mechanically gripping the pipe to create a self-anchoring joint that prevents pull-out under pressure, surge, or ground movement.
This integrated restraint removes the need for thrust blocks or additional anchoring, simplifying design while enhancing system security.
Manufactured from ductile iron with corrosion-resistant coatings and robust sealing systems, FlexLocks are built for long-term durability. The result is a reliable, leak-free solution that supports pipeline integrity while improving installation efficiency.
Supplied with EPDM (EN 681) for water or optional Nitrile (EN 682) for gas and petroleum, ensuring versatile, leak-proof performance across diverse utility and industrial applications.
Advanced Corrosion Protection
Components feature Rilsan Nylon 11 coating and Sheraplex bolts (WIS 4-52-03), providing long-term resistance against abrasion, impact, and harsh environments.
High-Strength End Restraint
Unique stainless steel teeth moulded into the gasket provide a mechanical grip on the pipe as bolts tighten, creating a fully end-load bearing, secure joint.
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High-Performance Gaskets
Supplied with EPDM (EN 681) for water or optional Nitrile (EN 682) for gas and petroleum, ensuring versatile, leak-proof performance across diverse utility and industrial applications.
Advanced Corrosion Protection
Components feature Rilsan Nylon 11 coating and Sheraplex bolts (WIS 4-52-03), providing long-term resistance against abrasion, impact, and harsh environments.
High-Strength End Restraint
Unique stainless steel teeth moulded into the gasket provide a mechanical grip on the pipe as bolts tighten, creating a fully end-load bearing, secure joint.
3D Model Loading…
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Projects
Proven Performance in Self-Anchoring Pipe Connections
Viking Johnson FlexLock couplings and flange adaptors are successfully deployed across international projects, providing fully restrained, self-anchoring joints for steel and ductile iron pipelines. Designed to eliminate pipe movement, they support long-term network integrity without additional anchoring systems.
