A damaged vacuum jacket, a failing multi-layer insulation (MLI) system, or a corroded shell doesn’t mean your cryogenic storage vessel has reached the end of its life. As a manufacturer of cryogenic storage and transport tanks since 2009, Cryoteknik repairs and refurbishes LNG, LCO2, LPG, LIN, LOX and LAr storage vessels to original — or improved — performance, extending service life by years at a fraction of the cost of a replacement tank.
Because we design and build cryogenic tanks in-house, our repair and refurbishment teams work from the same engineering standards, welding procedures and insulation know-how used in new production. That is the advantage of working with a manufacturer instead of a general repair contractor: every repair is backed by the same quality system that stands behind our new equipment.
Why Professional Cryogenic Vessel Repair Matters
Cryogenic storage vessels operate under extreme thermal stress, and neglected problems escalate quickly:
- Vacuum loss or degraded insulation causes product boil-off to rise, driving up operating costs and increasing safety risk.
- Corrosion, weld fatigue or fitting wear can compromise pressure integrity over time.
- Outdated documentation or expired certification can take a tank out of legal service even when the vessel itself is sound.
- A full replacement tank typically costs significantly more — and takes longer to deliver — than a professional refurbishment.
Addressing these issues early, through inspection-led repair or a structured refurbishment program, protects both the safety of your operation and the value of the asset.
Our Cryogenic Storage Vessel Repair Services
We provide targeted repair services for cryogenic storage and transport tanks already in service, whether or not they were originally built by Cryoteknik:
- Vacuum and multi-layer insulation (MLI) restoration — re-establishing vacuum integrity and rebuilding insulation to reduce boil-off.
- Leak detection and repair — helium leak testing and repair of shell, piping and fitting leaks.
- Valve, fitting and safety-device replacement — relief valves, gauges, level indicators and control fittings serviced or replaced to code.
- Structural and shell repair — certified welding repair of the inner vessel, outer jacket and support structure.
- Surface treatment and anti-corrosion recoating — sandblasting, priming and recoating to protect against environmental wear.
- Instrumentation calibration — pressure gauges, level sensors and safety instrumentation tested and recalibrated.
Cryogenic Tank Refurbishment & Life-Extension Program
For vessels that need more than a single repair, our refurbishment program takes a tank through a complete, documented overhaul:
- Full inspection and non-destructive testing (NDT) to establish a baseline condition report.
- Complete re-insulation using current-generation MLI or perlite vacuum insulation systems.
- Repair or replacement of all piping, valves, safety devices and instrumentation.
- Re-certification, pressure testing and updated documentation so the vessel returns to service fully compliant.
- Optional service conversion — for example, adapting a tank between LNG, LCO2 or LIN/LOX duty where the design allows it.
The result is a vessel that performs like new, with a complete paper trail for your safety and compliance records.
Tank Types We Service
- LNG storage tanks and LNG transport/semi-trailer tanks
- LCO2 (liquid carbon dioxide) storage and transport tanks
- LPG storage tanks
- LIN / LOX / LAr (liquid nitrogen, oxygen, argon) storage tanks
- ISO tank containers and cryogenic transport tanks
Our Repair & Refurbishment Process
1. Inspection & diagnostics — on-site or in-shop assessment, including NDT and vacuum/leak testing, to identify the root cause.
2. Diagnostic report & quotation — a written scope of work and fixed quotation before any work begins.
3. Certified repair execution — work carried out by our own welding and fabrication teams, using the same procedures applied to new tank production.
4. Pressure & vacuum testing — every repaired or refurbished vessel is tested to the applicable code before being released.
5. Re-certification & handover — updated documentation, test certificates and (where applicable) re-stamping, handed over with the vessel.
Why Choose Cryoteknik
- Manufacturer since 2009 — we design and build the tanks we repair, not just service them.
- In-house fabrication facility in Manisa, Turkey, with full welding, insulation and testing capability under one roof.
- Experience across LNG, LCO2, LPG and industrial gas (LIN/LOX/LAr) vessel types.
- Export experience — documentation and certification prepared for international customers and regulatory frameworks.
- Single point of contact from inspection through re-certification, with a fixed quotation before work starts.
Frequently Asked Questions
Do you repair tanks that Cryoteknik did not originally manufacture?
Yes. Our repair and refurbishment services cover cryogenic storage and transport vessels from other manufacturers as well as our own, subject to an initial inspection.
How long does a typical refurbishment take?
Timelines depend on vessel size and scope of work — a targeted repair (for example, insulation restoration or valve replacement) can often be completed in days, while a full refurbishment program is scheduled after the inspection report defines the full scope.
Is on-site repair available, or must the tank be shipped to your facility?
Both options are available. Minor repairs and inspection can often be carried out on-site; full refurbishment work is typically completed at our Manisa facility to allow full access for testing and re-certification.
Will I receive updated certification after the repair?
Yes. Every repaired or refurbished vessel is pressure/vacuum tested and issued updated documentation and test certificates before it is returned to service.
Request a Repair or Refurbishment Quote
Send us your tank’s specifications, its current condition and photos if available, and we will provide an inspection plan and quotation. Contact us at info@cryoteknik.com or +90 236 314 21 02.
