ClockSpring|NRI

ClockSpring Bands are a pipeline reinforcement system and repair sleeve for high-pressure transmission pipelines.  Standard configuration is a continuous coil of pre-tensioned e-glass fiberglass for reinforcement.

THE SYSTEM INCLUDES FEATURES SUCH AS:

• 50-year DOT accepted repair system for high pressure transmission pipelines

• ASME PCC-2 and ISO 24817 compliant

• Repair sleeve will restore the pipeline to full strength on up to 80 percent wall loss as well as assorted mechanical damage and mill defects.

• Available in 4” through 56” diameter kits, each kit will include a coil, filler, adhesive and tools • Can be applied on bends and girth welds

• Removes the need for pressure reduction or pipeline shutdown during installation

• Meets standards of internationally recognized repair codes

• Used in all environments, in over 75 countries

• Marine Adhesive allows for underwater repair application

• High Temperature system available

• Clock Spring repair sleeves are installed quickly and efficiently by certified installers.

• Simple marking band system makes repairs visible to in-line inspections tools

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Clock Spring BlackDiamond® is ideal for transmission pipeline integrity repairs involving field bends, deformation, metal loss, and crack-like anomalies. It is an engineered, wet applied repair system featuring proprietary carbon fiber cloth applied with a two-part epoxy and a high modulus filler material. It is available in multiple kit sizes for any diameter pipe, in any configuration. 

FEATURES:

• 50-year DOT accepted repair system for transmission pipelines.
• ASME PCC-2 and ISO 24817 compliant.
• Repair kits will restore pipelines to MAOP on up to 80 percent wall loss, mechanical damage, mill defects, and axial flaws.
• Removes need for pressure reduction or pipeline shutdown.
• Zero performance loss validation on 10 year test program.
• Excellent adhesion to virtually any substrate.
• Can be applied on field bends and girth welds.
• Used in all environments, in over 60 countries.
• Can be used in road and river crossings, and air to soil transitions.
• High Temperature and Subsea systems available.
• BlackDiamond kits are installed quickly and efficiently by certified installers.
• Remote training classes available for Operator Qualification.
• Simple marking band system makes repairs visible to in-line inspections tools.
• Robust low profile repairs with high strength and low creep.
• Easy to install and cure.

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Clock Spring DiamondWrap® is ideal for plant and refinery repairs involving complicated geometry situations such as tees, flanges, & varying diameter pipe. It is an engineered, wet applied repair system featuring proprietary carbon fiber cloth applied with a two-part epoxy and a high modulus filler material. It is available in multiple kit sizes for any diameter pipe, in any configuration. 

FEATURES:

• Eliminate unplanned down time for high consequence piping.
• Extend the life of aging and corroding assets.
• Engineered repairs are designed by our qualified engineers following ISO or ASME guidelines.
• Ideal option for repairs involving complicated geometry situations such as tees, flanges, & varying diameter pipe.
• No pipe cutting or welding necessary. No heavy machinery required.
• Available in multiple kit-sizes for any diameter pipe or configuration.
• Engineered Repair Design Report (ISO or ASME) is available.
• Service temperature limit up to 580° F / 304° C.
• Excellent adhesion to virtually any substrate.
• Carbon fiber system with negligble creep ensuring long service life.

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The Clock Spring Leak Stopper™ works fast! It is designed for quick and safe temporary leak containment, with an optimized strapping method that achieves efficient and secure composite placement using teeth that are part of the band. Using the low-profile buckles makes executing repairs less cumbersome and time consuming than alternative methods and produces a finished profile that is only 1 inch thick.

Leak Stopper™ is ideal for onshore oil and gas pipelines, refineries and petrochemical plants, and municipal water and gas distribution lines, replacing bulky bolt-on products that require more time to install and introduce greater risk. Installing the Clock Spring Leak Stopper™ is simple. The process requires a trained installer using a gauged clamping device to tension the specialized band securely over the leak with a low-profile buckle. The result is a reliable and durable temporary repair within seconds. Once the Leak Stopper™ is installed and the leak is stopped, Clock Spring engineers can design an engineered composite solution as an overwrap to prolong the life of the piping system.

BENEFITS:

• Rapid repair process prevents environmental exposure to hydrocarbons within seconds
• Teeth designed into the tightening band improve strength, safety, and repair speed
• Low-profile repair simplifies installation and composite overwrap application
• Not diameter specific – The band can be used for various pipe diameters
• Third-party verification of materials performance in aged samples
• Certified SGS tensile strength certificate

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For repairs that require surfaces to be modified (for example; heavy pitting), the high modulus CMF-1 filler putty should be applied.

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