LPG Cylinder Requalification
Requalification support for LPG cylinders including inspection, testing, refurbishment review and certification records.
Outcome: safer cylinder lifecycle management.Services and Technical Capabilities
Services
Complete Cylinder Requalification Support
CNG Cylinder Requalification
CNG cylinder requalification Nigeria services for steel and composite cylinders across applicable standards.
Outcome: reliable readiness for continued service.Internal and External Visual Inspection
Inspection for corrosion, dents, gouges, bulging, heat damage, valve condition and internal contamination.
Outcome: visible defects identified early.Hydrostatic Pressure and Stretch Testing
Cylinder hydrostatic testing with expansion measurement under controlled pressure conditions.
Outcome: strength and permanent expansion assessed.Ultrasonic Thickness Testing
Wall thickness measurement to evaluate metal loss, corrosion trends and service suitability.
Outcome: data-led inspection decisions.Ultrasonic Flaw Detection
NDT inspection for relevant discontinuities and internal flaws that may affect cylinder integrity.
Outcome: improved defect detection.Valve Inspection and Replacement
Valve removal, inspection, replacement and controlled refitting where required.
Outcome: safer valve performance.Cylinder Cleaning and Controlled Drying
Internal cleaning and drying after testing to reduce moisture and contamination risk.
Outcome: cylinders prepared for safe return.Cylinder Painting and Refurbishment
Blasting, painting, marking and cylinder refurbishment Lagos services for external condition restoration.
Outcome: improved protection and identification.Leak Detection Testing
Leak testing after inspection and valve work to confirm containment readiness.
Outcome: leakage risks identified before dispatch.Internal Borescope Inspection
Visual access to internal surfaces where direct inspection is limited.
Outcome: better understanding of internal condition.Certification and Re-testing Marking
Documentation, marking and records for cylinder inspection and certification after accepted tests.
Outcome: traceable requalification status.Testing Facilities
Facility Systems and Equipment
Degassing and purging facility
Valve removal and refitting station
Cylinder weight verification system
Hydrostatic test system
Ultrasonic flaw detector
Borescope internal inspection
Hardness testing equipment
Controlled drying system
Blasting and painting system
Leak detection equipment
Capability Tables
LPG and CNG Coverage
| Cylinder Type | Steel and composite LPG cylinders |
|---|---|
| Cylinder Sizes | 3kg, 5kg, 6.5kg, 12.5kg, 25kg and 50kg |
| Testing Services | Hydrostatic testing, ultrasonic thickness testing and visual inspection |
| Applicable Standards | NIS 69, NIS 532, NCP 08 and NCP 058 |
| Cylinder Standards | ISO 11439, ISO 9809 and ISO 11120 |
|---|---|
| Cylinder Capacity | 30 litres to 3000 litres |
| Cylinder Type | Steel and composite cylinders |
| Inspection Services | Hydrostatic testing, ultrasonic thickness testing and NDT inspection |
Technical Specifications
Inspection and Requalification Scope
LPG cylinder sizes: 3kg to 50kg
CNG cylinder capacity: 30L to 3000L
Requalification interval: every 5 years
Cylinder service life: 15 years
Hydrostatic stretch testing
Ultrasonic thickness testing
Leak detection testing
Internal borescope inspection
Blasting and painting
Process Workflow
Professional Cylinder Processing Steps
Receiving of cylinder
Recording cylinder identification
External visual inspection
Degassing
Leak testing
Hydrostatic stretch testing
Ultrasonic flaw detection
Ultrasonic thickness testing
Internal cleaning
Internal borescope inspection
Cylinder weight check
Internal drying
Valve inspection and fitting
External painting
Re-testing marking
Dispatch with certificate